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Kernel: Convert MemoryManager::allocate_user_physical_page to ErrorOr

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This allows is to use the TRY macro at the call sites, instead of using
clunky null checks.
This commit is contained in:
Idan Horowitz 2022-01-28 16:36:53 +02:00
commit 5146315a15
Notes: sideshowbarker 2024-07-17 20:05:45 +09:00
6 changed files with 20 additions and 23 deletions
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2
Kernel/Memory/MemoryManager.h
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@ -171,7 +171,7 @@ public:
void uncommit_user_physical_pages(Badge<CommittedPhysicalPageSet>, size_t page_count);
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);
ErrorOr<NonnullRefPtr<PhysicalPage>> allocate_user_physical_page(ShouldZeroFill = ShouldZeroFill::Yes, bool* did_purge = nullptr);
ErrorOr<NonnullRefPtr<PhysicalPage>> allocate_supervisor_physical_page();
ErrorOr<NonnullRefPtrVector<PhysicalPage>> allocate_contiguous_supervisor_physical_pages(size_t size);
void deallocate_physical_page(PhysicalAddress);