Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 24c117bd1a2ea6c01ba6a423f5d75f92780e4011
https://github.com/WebKit/WebKit/commit/24c117bd1a2ea6c01ba6a423f5d75f92780e4011
Author: Mark Lam <[email protected]>
Date: 2026-02-02 (Mon, 02 Feb 2026)
Changed paths:
M Source/bmalloc/bmalloc/TZoneHeap.h
M Source/bmalloc/bmalloc/TZoneHeapInlines.h
M Source/bmalloc/bmalloc/TZoneHeapManager.cpp
M Source/bmalloc/bmalloc/TZoneHeapManager.h
Log Message:
-----------
Remove SizeAndAlignment class in TZone code.
https://bugs.webkit.org/show_bug.cgi?id=306717
rdar://169370644
Reviewed by Keith Miller.
The SizeAndAlignment logic belongs in TZoneSpecification which defines a TZone
type's
sorting algorithm / criteria. This refactoring paves the way to add alternate
TZone
categories that use different sorting algorithms for heap selection.
Also added some debugging info (file and line number) to TZoneSpecification
because
classname alone is insufficient as there can be many classes with the same name.
Also enhanced TZoneHeapManager::dumpRegisteredTypes(0 to also print the pid to
distinguish between processes.
No new tests because this is a refactoring patch. There is no behavior change..
* Source/bmalloc/bmalloc/TZoneHeap.h:
(bmalloc::api::TZoneDescriptorHashTrait::hash):
(bmalloc::api::TZoneSpecification::sizeClass const):
(bmalloc::api::TZoneSpecification::encodeSize):
(bmalloc::api::TZoneSpecification::encodeAlignment):
(bmalloc::api::TZoneSpecification::encodeDescriptor):
(bmalloc::api::SizeAndAlignment::encode): Deleted.
(bmalloc::api::SizeAndAlignment::decodeSize): Deleted.
(bmalloc::api::SizeAndAlignment::decodeAlignment): Deleted.
* Source/bmalloc/bmalloc/TZoneHeapInlines.h:
* Source/bmalloc/bmalloc/TZoneHeapManager.cpp:
(bmalloc::api::TZoneDescriptorDecoder::TZoneDescriptorDecoder):
(bmalloc::api::TZoneDescriptorDecoder::value const):
(bmalloc::api::TZoneDescriptorDecoder::sizeClass const):
(bmalloc::api::TZoneDescriptorDecoder::alignment const):
(bmalloc::api::TZoneHeapManager::dumpRegisteredTypes):
(bmalloc::api::TZoneHeapManager::bucketCountForSizeClass):
(bmalloc::api::TZoneHeapManager::bucketForKey):
(bmalloc::api::TZoneHeapManager::populateGroupBuckets):
(bmalloc::api::TZoneHeapManager::heapRefForTZoneType):
(bmalloc::api::TZoneHeapManager::TZoneHeapManager::heapRefForTZoneTypeDifferentSize):
* Source/bmalloc/bmalloc/TZoneHeapManager.h:
Canonical link: https://commits.webkit.org/306630@main
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