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ntdll: Move subheap decommit hysteresis to free_used_block.

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Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
This commit is contained in:
Rémi Bernon 2022-05-24 08:54:04 +02:00 committed by Alexandre Julliard
parent d0ad5d6a9c
commit 2c46ee1890
1 changed files with 6 additions and 3 deletions
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9
dlls/ntdll/heap.c
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@ -649,8 +649,7 @@ static inline BOOL HEAP_Decommit( SUBHEAP *subheap, void *ptr )
SIZE_T decommit_size;
SIZE_T size = (char *)ptr - (char *)subheap->base;
/* round to next block and add one full block */
size = ((size + COMMIT_MASK) & ~COMMIT_MASK) + COMMIT_MASK + 1;
size = ((size + COMMIT_MASK) & ~COMMIT_MASK);
size = max( size, subheap->min_commit );
if (size >= subheap->commitSize) return TRUE;
decommit_size = subheap->commitSize - size;
@ -748,7 +747,11 @@ static void free_used_block( SUBHEAP *subheap, struct block *block )
list_remove( &subheap->entry );
NtFreeVirtualMemory( NtCurrentProcess(), &addr, &size, MEM_RELEASE );
}
else if (!heap->shared) HEAP_Decommit( subheap, entry + 1 );
else if (!heap->shared)
{
/* keep room for a full commited block as hysteresis */
HEAP_Decommit( subheap, (char *)(entry + 1) + (COMMIT_MASK + 1) );
}
}