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Strengthen order to prevent reordering

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Feoramund
2025-02-04 15:31:00 -05:00
parent 0532b73563
commit 30e600699d
1 changed files with 4 additions and 1 deletions
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5
base/runtime/heap_allocator_implementation.odin
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@@ -1438,8 +1438,11 @@ heap_alloc :: proc "contextless" (size: int, zero: bool = true) -> (ptr: rawptr)
}
if should_remove {
// NOTE: The order of operations here is important to keep
// the cache from overflowing. The entry must first be
// removed, then the superpage has its flag cleared.
intrinsics.atomic_store_explicit(&cache.superpages_with_remote_frees[i], nil, .Release)
intrinsics.atomic_store_explicit(&superpage.remote_free_set, false, .Release)
intrinsics.atomic_store_explicit(&superpage.remote_free_set, false, .Seq_Cst)
removed += 1
}