Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 31fbeef330238a94f24203d96cd66087942ea2f9
https://github.com/WebKit/WebKit/commit/31fbeef330238a94f24203d96cd66087942ea2f9
Author: Marcus Plutowski <[email protected]>
Date: 2025-08-08 (Fri, 08 Aug 2025)
Changed paths:
M Source/bmalloc/bmalloc/VMAllocate.h
Log Message:
-----------
[bmalloc] Re-enable use of madvise(MADV_ZERO) for zeroing memory
https://bugs.webkit.org/show_bug.cgi?id=297151
rdar://155891567
Reviewed by Yusuke Suzuki.
Previously, this was causing a performance drop because we spent more
time zeroing the very-large wasm memory region; that zeroing is,
however, unnecessary as the memory is already newly allocated and can
thus be zero-allocated directly rather than allocated-and-then-zeroed.
That change has already landed, so we can safely merge this now.
* Source/bmalloc/bmalloc/VMAllocate.h:
Canonical link: https://commits.webkit.org/298469@main
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