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--- base/allocator/partition_allocator/page_allocator_internals_posix.h.orig 2022-02-23 16:08:07 UTC |
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+++ base/allocator/partition_allocator/page_allocator_internals_posix.h |
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@@ -339,8 +339,12 @@ bool TryRecommitSystemPagesInternal( |
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} |
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void DiscardSystemPagesInternal(void* address, size_t length) { |
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-#if defined(OS_APPLE) |
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+#if defined(OS_APPLE) || defined(OS_BSD) |
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+#if defined(OS_BSD) |
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+ int ret = madvise(address, length, MADV_FREE); |
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+#else |
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int ret = madvise(address, length, MADV_FREE_REUSABLE); |
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+#endif |
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if (ret) { |
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// MADV_FREE_REUSABLE sometimes fails, so fall back to MADV_DONTNEED. |
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ret = madvise(address, length, MADV_DONTNEED); |