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https://github.com/RGBCube/serenity
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b67200dfea
This makes VMObject 8 bytes smaller since we can use the array size as the page count. The size() is now also computed from the page count instead of being a separate value. This makes sizes always be a multiple of PAGE_SIZE, which is sane.
39 lines
994 B
C++
39 lines
994 B
C++
#include <Kernel/VM/AnonymousVMObject.h>
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#include <Kernel/VM/PhysicalPage.h>
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NonnullRefPtr<AnonymousVMObject> AnonymousVMObject::create_with_size(size_t size)
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{
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return adopt(*new AnonymousVMObject(size));
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}
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NonnullRefPtr<AnonymousVMObject> AnonymousVMObject::create_for_physical_range(PhysicalAddress paddr, size_t size)
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{
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return adopt(*new AnonymousVMObject(paddr, size));
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}
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AnonymousVMObject::AnonymousVMObject(size_t size)
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: VMObject(size)
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{
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}
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AnonymousVMObject::AnonymousVMObject(PhysicalAddress paddr, size_t size)
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: VMObject(size)
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{
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ASSERT(paddr.page_base() == paddr.get());
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for (size_t i = 0; i < page_count(); ++i)
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physical_pages()[i] = PhysicalPage::create(paddr.offset(i * PAGE_SIZE), false, false);
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}
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AnonymousVMObject::AnonymousVMObject(const AnonymousVMObject& other)
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: VMObject(other)
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{
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}
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AnonymousVMObject::~AnonymousVMObject()
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{
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}
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NonnullRefPtr<VMObject> AnonymousVMObject::clone()
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{
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return adopt(*new AnonymousVMObject(*this));
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}
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