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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Record root ppn and has the same lifetime as 1 and 2 level `PageTableEntry`"><meta name="keywords" content="rust, rustlang, rust-lang, PageTable"><title>PageTable in os::mm - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc struct"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">PageTable</a></h2><div class="sidebar-elems"><section><div class="block"><h3 class="sidebar-title"><a href="#fields">Fields</a></h3><ul><li><a href="#structfield.frames">frames</a></li><li><a href="#structfield.root_ppn">root_ppn</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#implementations">Methods</a></h3><ul><li><a href="#method.find_pte">find_pte</a></li><li><a href="#method.find_pte_create">find_pte_create</a></li><li><a href="#method.from_token">from_token</a></li><li><a href="#method.map">map</a></li><li><a href="#method.new">new</a></li><li><a href="#method.token">token</a></li><li><a href="#method.translate">translate</a></li><li><a href="#method.translate_va">translate_va</a></li><li><a href="#method.unmap">unmap</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul><li><a href="#impl-RefUnwindSafe-for-PageTable">RefUnwindSafe</a></li><li><a href="#impl-Send-for-PageTable">Send</a></li><li><a href="#impl-Sync-for-PageTable">Sync</a></li><li><a href="#impl-Unpin-for-PageTable">Unpin</a></li><li><a href="#impl-UnwindSafe-for-PageTable">UnwindSafe</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#blanket-implementations">Blanket Implementations</a></h3><ul><li><a href="#impl-Any-for-PageTable">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-PageTable">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-PageTable">BorrowMut<T></a></li><li><a href="#impl-From%3CT%3E-for-PageTable">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-PageTable">Into<U></a></li><li><a href="#impl-TryFrom%3CU%3E-for-PageTable">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E-for-PageTable">TryInto<U></a></li></ul></div></section><h2 class="location"><a href="index.html">In os::mm</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../os/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Struct <a href="../index.html">os</a>::<wbr><a href="index.html">mm</a>::<wbr><a class="struct" href="#">PageTable</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../src/os/mm/page_table.rs.html#66-69">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><div class="docblock item-decl"><pre class="rust struct"><code>pub struct PageTable {
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root_ppn: <a class="struct" href="address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>,
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frames: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="struct" href="frame_allocator/struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a>>,
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}</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Record root ppn and has the same lifetime as 1 and 2 level <code>PageTableEntry</code></p>
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</div></details><h2 id="fields" class="fields small-section-header">Fields<a href="#fields" class="anchor"></a></h2><span id="structfield.root_ppn" class="structfield small-section-header"><a href="#structfield.root_ppn" class="anchor field"></a><code>root_ppn: <a class="struct" href="address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a></code></span><span id="structfield.frames" class="structfield small-section-header"><a href="#structfield.frames" class="anchor field"></a><code>frames: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="struct" href="frame_allocator/struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a>></code></span><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><div id="implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-PageTable" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/os/mm/page_table.rs.html#72-157">source</a></span><a href="#impl-PageTable" class="anchor"></a><h3 class="code-header in-band">impl <a class="struct" href="page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a></h3></section></summary><div class="docblock"><p>Assume that it won’t oom when creating/mapping.</p>
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</div><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.new" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/os/mm/page_table.rs.html#74-80">source</a></span><h4 class="code-header">pub fn <a href="#method.new" class="fnname">new</a>() -> Self</h4></section></summary><div class="docblock"><p>Create an empty <code>PageTable</code></p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from_token" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/os/mm/page_table.rs.html#82-87">source</a></span><h4 class="code-header">pub fn <a href="#method.from_token" class="fnname">from_token</a>(satp: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>) -> Self</h4></section></summary><div class="docblock"><p>Temporarily used to get arguments from user space.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.find_pte_create" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/os/mm/page_table.rs.html#89-107">source</a></span><h4 class="code-header">fn <a href="#method.find_pte_create" class="fnname">find_pte_create</a>(&mut self, vpn: <a class="struct" href="address/struct.VirtPageNum.html" title="struct os::mm::address::VirtPageNum">VirtPageNum</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&mut <a class="struct" href="page_table/struct.PageTableEntry.html" title="struct os::mm::page_table::PageTableEntry">PageTableEntry</a>></h4></section></summary><div class="docblock"><p>Find phsical address by virtual address, create a frame if not exist</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.find_pte" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/os/mm/page_table.rs.html#109-125">source</a></span><h4 class="code-header">fn <a href="#method.find_pte" class="fnname">find_pte</a>(&self, vpn: <a class="struct" href="address/struct.VirtPageNum.html" title="struct os::mm::address::VirtPageNum">VirtPageNum</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&mut <a class="struct" href="page_table/struct.PageTableEntry.html" title="struct os::mm::page_table::PageTableEntry">PageTableEntry</a>></h4></section></summary><div class="docblock"><p>Find phsical address by virtual address</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.map" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/os/mm/page_table.rs.html#128-132">source</a></span><h4 class="code-header">pub fn <a href="#method.map" class="fnname">map</a>(&mut self, vpn: <a class="struct" href="address/struct.VirtPageNum.html" title="struct os::mm::address::VirtPageNum">VirtPageNum</a>, ppn: <a class="struct" href="address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>, flags: <a class="struct" href="page_table/struct.PTEFlags.html" title="struct os::mm::page_table::PTEFlags">PTEFlags</a>)</h4></section></summary><div class="docblock"><p>Create a mapping form <code>vpn</code> to <code>ppn</code></p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.unmap" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/os/mm/page_table.rs.html#135-139">source</a></span><h4 class="code-header">pub fn <a href="#method.unmap" class="fnname">unmap</a>(&mut self, vpn: <a class="struct" href="address/struct.VirtPageNum.html" title="struct os::mm::address::VirtPageNum">VirtPageNum</a>)</h4></section></summary><div class="docblock"><p>Delete a mapping form <code>vpn</code></p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.translate" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/os/mm/page_table.rs.html#141-143">source</a></span><h4 class="code-header">pub fn <a href="#method.translate" class="fnname">translate</a>(&self, vpn: <a class="struct" href="address/struct.VirtPageNum.html" title="struct os::mm::address::VirtPageNum">VirtPageNum</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="page_table/struct.PageTableEntry.html" title="struct os::mm::page_table::PageTableEntry">PageTableEntry</a>></h4></section></summary><div class="docblock"><p>Translate <code>VirtPageNum</code> to <code>PageTableEntry</code></p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.translate_va" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/os/mm/page_table.rs.html#145-152">source</a></span><h4 class="code-header">pub fn <a href="#method.translate_va" class="fnname">translate_va</a>(&self, va: <a class="struct" href="address/struct.VirtAddr.html" title="struct os::mm::address::VirtAddr">VirtAddr</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="address/struct.PhysAddr.html" title="struct os::mm::address::PhysAddr">PhysAddr</a>></h4></section></summary><div class="docblock"><p>Translate <code>VirtAddr</code> to <code>PhysAddr</code></p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.token" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/os/mm/page_table.rs.html#154-156">source</a></span><h4 class="code-header">pub fn <a href="#method.token" class="fnname">token</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></h4></section></summary><div class="docblock"><p>Get root ppn</p>
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</div></details></div></details></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><section id="impl-RefUnwindSafe-for-PageTable" class="impl has-srclink"><a href="#impl-RefUnwindSafe-for-PageTable" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a></h3></section><section id="impl-Send-for-PageTable" class="impl has-srclink"><a href="#impl-Send-for-PageTable" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a></h3></section><section id="impl-Sync-for-PageTable" class="impl has-srclink"><a href="#impl-Sync-for-PageTable" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a></h3></section><section id="impl-Unpin-for-PageTable" class="impl has-srclink"><a href="#impl-Unpin-for-PageTable" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a></h3></section><section id="impl-UnwindSafe-for-PageTable" class="impl has-srclink"><a href="#impl-UnwindSafe-for-PageTable" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a></h3></section></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Any-for-PageTable" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#203">source</a></span><a href="#impl-Any-for-PageTable" class="anchor"></a><h3 class="code-header in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br> T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#204">source</a></span><a href="#method.type_id" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
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</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-PageTable" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#209">source</a></span><a href="#impl-Borrow%3CT%3E-for-PageTable" class="anchor"></a><h3 class="code-header in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#211">source</a></span><a href="#method.borrow" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.reference.html">&</a>T</h4></section></summary><div class='docblock'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
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</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-PageTable" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218">source</a></span><a href="#impl-BorrowMut%3CT%3E-for-PageTable" class="anchor"></a><h3 class="code-header in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#219">source</a></span><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.reference.html">&mut </a>T</h4></section></summary><div class='docblock'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
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</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-PageTable" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#557">source</a></span><a href="#impl-From%3CT%3E-for-PageTable" class="anchor"></a><h3 class="code-header in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for T</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#559">source</a></span><a href="#method.from" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -> T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
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</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-PageTable" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#541">source</a></span><a href="#impl-Into%3CU%3E-for-PageTable" class="anchor"></a><h3 class="code-header in-band">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>, </span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#549">source</a></span><a href="#method.into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into" class="fnname">into</a>(self) -> U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
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<p>That is, this conversion is whatever the implementation of
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<code><a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="From">From</a><T> for U</code> chooses to do.</p>
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</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-PageTable" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#598">source</a></span><a href="#impl-TryFrom%3CU%3E-for-PageTable" class="anchor"></a><h3 class="code-header in-band">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>, </span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'><p>The type returned in the event of a conversion error.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#604">source</a></span><a href="#method.try_from" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from" class="fnname">try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'><p>Performs the conversion.</p>
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</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-PageTable" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#583">source</a></span><a href="#impl-TryInto%3CU%3E-for-PageTable" class="anchor"></a><h3 class="code-header in-band">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>, </span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error-1" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'><p>The type returned in the event of a conversion error.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#589">source</a></span><a href="#method.try_into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into" class="fnname">try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'><p>Performs the conversion.</p>
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