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Kernel: Rename Kernel/VM/ to Kernel/Memory/

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This directory isn't just about virtual memory, it's about all kinds
of memory management.
This commit is contained in:
Andreas Kling 2021-08-06 10:45:34 +02:00
parent 4e8e1b7b3a
commit a1d7ebf85a
117 changed files with 207 additions and 204 deletions
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27
Kernel/Memory/ProcessPagingScope.cpp Normal file
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@ -0,0 +1,27 @@
/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/Arch/x86/InterruptDisabler.h>
#include <Kernel/Memory/MemoryManager.h>
#include <Kernel/Memory/ProcessPagingScope.h>
namespace Kernel {
ProcessPagingScope::ProcessPagingScope(Process& process)
{
VERIFY(Thread::current() != nullptr);
m_previous_cr3 = read_cr3();
MM.enter_process_paging_scope(process);
}
ProcessPagingScope::~ProcessPagingScope()
{
InterruptDisabler disabler;
Thread::current()->regs().cr3 = m_previous_cr3;
write_cr3(m_previous_cr3);
}
}