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Kernel: Don't release/relock spinlocks repeatedly during space teardown

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Grab the page directory and MM locks once at the start of address space
teardown, then hold onto them across all the region unmapping work.
This commit is contained in:
Andreas Kling 2022-01-12 14:32:21 +01:00
parent 2323cdd914
commit d8206c1059
3 changed files with 15 additions and 5 deletions
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Kernel/Memory/Region.h
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@ -179,6 +179,7 @@ public:
Yes,
};
void unmap(ShouldDeallocateVirtualRange, ShouldFlushTLB = ShouldFlushTLB::Yes);
void unmap_with_locks_held(ShouldDeallocateVirtualRange, ShouldFlushTLB, SpinlockLocker<RecursiveSpinlock>& pd_locker, SpinlockLocker<RecursiveSpinlock>& mm_locker);
void remap();