Title: [239185] trunk/Source/bmalloc
- Revision
- 239185
- Author
- mark....@apple.com
- Date
- 2018-12-13 16:13:21 -0800 (Thu, 13 Dec 2018)
Log Message
Verify that tryLargeZeroedMemalignVirtual()'s aligned size and alignment values are valid.
https://bugs.webkit.org/show_bug.cgi?id=192682
<rdar://problem/37751522>
Reviewed by Saam Barati.
* bmalloc/bmalloc.cpp:
(bmalloc::api::tryLargeZeroedMemalignVirtual):
Modified Paths
Diff
Modified: trunk/Source/bmalloc/ChangeLog (239184 => 239185)
--- trunk/Source/bmalloc/ChangeLog 2018-12-13 23:25:20 UTC (rev 239184)
+++ trunk/Source/bmalloc/ChangeLog 2018-12-14 00:13:21 UTC (rev 239185)
@@ -1,3 +1,14 @@
+2018-12-13 Mark Lam <mark....@apple.com>
+
+ Verify that tryLargeZeroedMemalignVirtual()'s aligned size and alignment values are valid.
+ https://bugs.webkit.org/show_bug.cgi?id=192682
+ <rdar://problem/37751522>
+
+ Reviewed by Saam Barati.
+
+ * bmalloc/bmalloc.cpp:
+ (bmalloc::api::tryLargeZeroedMemalignVirtual):
+
2018-11-21 Dominik Infuehr <dinfu...@igalia.com>
Enable JIT on ARM/Linux
Modified: trunk/Source/bmalloc/bmalloc/bmalloc.cpp (239184 => 239185)
--- trunk/Source/bmalloc/bmalloc/bmalloc.cpp 2018-12-13 23:25:20 UTC (rev 239184)
+++ trunk/Source/bmalloc/bmalloc/bmalloc.cpp 2018-12-14 00:13:21 UTC (rev 239185)
@@ -39,13 +39,15 @@
free(object, kind);
}
-void* tryLargeZeroedMemalignVirtual(size_t alignment, size_t size, HeapKind kind)
+void* tryLargeZeroedMemalignVirtual(size_t requiredAlignment, size_t requestedSize, HeapKind kind)
{
- BASSERT(isPowerOfTwo(alignment));
+ RELEASE_BASSERT(isPowerOfTwo(requiredAlignment));
size_t pageSize = vmPageSize();
- alignment = roundUpToMultipleOf(pageSize, alignment);
- size = roundUpToMultipleOf(pageSize, size);
+ size_t alignment = roundUpToMultipleOf(pageSize, requiredAlignment);
+ size_t size = roundUpToMultipleOf(pageSize, requestedSize);
+ RELEASE_BASSERT(alignment >= requiredAlignment);
+ RELEASE_BASSERT(size >= requestedSize);
kind = mapToActiveHeapKind(kind);
Heap& heap = PerProcess<PerHeapKind<Heap>>::get()->at(kind);
_______________________________________________
webkit-changes mailing list
webkit-changes@lists.webkit.org
https://lists.webkit.org/mailman/listinfo/webkit-changes
