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Kernel: Make allocate_contiguous_supervisor_physical_pages OOM-fallible

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This commit is contained in:
Idan Horowitz
2022-01-28 16:23:24 +02:00
parent 956824afe2
commit 4d2f1a05ec
Notes: sideshowbarker 2024-07-17 20:05:53 +09:00 
Author: https://github.com/IdanHo
Commit: https://github.com/SerenityOS/serenity/commit/4d2f1a05ecc
Pull-request: https://github.com/SerenityOS/serenity/pull/12179
3 changed files with 7 additions and 16 deletions
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Kernel/Memory/MemoryManager.h
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@@ -173,7 +173,7 @@ public:
NonnullRefPtr<PhysicalPage> allocate_committed_user_physical_page(Badge<CommittedPhysicalPageSet>, ShouldZeroFill = ShouldZeroFill::Yes);
RefPtr<PhysicalPage> allocate_user_physical_page(ShouldZeroFill = ShouldZeroFill::Yes, bool* did_purge = nullptr);
RefPtr<PhysicalPage> allocate_supervisor_physical_page();
NonnullRefPtrVector<PhysicalPage> allocate_contiguous_supervisor_physical_pages(size_t size);
ErrorOr<NonnullRefPtrVector<PhysicalPage>> allocate_contiguous_supervisor_physical_pages(size_t size);
void deallocate_physical_page(PhysicalAddress);
ErrorOr<NonnullOwnPtr<Region>> allocate_contiguous_kernel_region(size_t, StringView name, Region::Access access, Region::Cacheable = Region::Cacheable::Yes);