Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 6f5be90dea47478e24bea95498d2a334892ddded
https://github.com/WebKit/WebKit/commit/6f5be90dea47478e24bea95498d2a334892ddded
Author: Yusuke Suzuki <[email protected]>
Date: 2026-01-17 (Sat, 17 Jan 2026)
Changed paths:
M Source/CMakeLists.txt
M Source/JavaScriptCore/API/MARReportCrashPrivate.cpp
M Source/JavaScriptCore/API/ObjcRuntimeExtras.h
M Source/JavaScriptCore/API/PASReportCrashPrivate.cpp
M Source/JavaScriptCore/CMakeLists.txt
M Source/JavaScriptCore/heap/FastMallocAlignedMemoryAllocator.cpp
M Source/JavaScriptCore/heap/GigacageAlignedMemoryAllocator.cpp
M Source/JavaScriptCore/heap/HandleBlockInlines.h
M Source/JavaScriptCore/heap/StructureAlignedMemoryAllocator.cpp
M Source/JavaScriptCore/jit/ExecutableMemoryHandle.h
M Source/JavaScriptCore/runtime/InitializeThreading.cpp
M Source/JavaScriptCore/shell/CMakeLists.txt
M Source/JavaScriptCore/testmem/CMakeLists.txt
M Source/JavaScriptCore/tools/JSDollarVM.cpp
M Source/WTF/wtf/CMakeLists.txt
M Source/WTF/wtf/FastMalloc.cpp
M Source/WTF/wtf/FastMalloc.h
M Source/WTF/wtf/FileHandle.h
M Source/WTF/wtf/Gigacage.cpp
M Source/WTF/wtf/Gigacage.h
M Source/WTF/wtf/IntervalSet.h
M Source/WTF/wtf/PlatformUse.h
M Source/WTF/wtf/RAMSize.cpp
M Source/WTF/wtf/SequesteredAllocator.h
M Source/WTF/wtf/TZoneMalloc.h
M Source/WTF/wtf/TZoneMallocInlines.h
M Source/WTF/wtf/Threading.cpp
M Source/WTF/wtf/VMTags.h
M Source/WTF/wtf/WTFConfig.cpp
M Source/WTF/wtf/WTFConfig.h
M Source/WTF/wtf/generic/MemoryFootprintGeneric.cpp
M Source/WebCore/CMakeLists.txt
M Source/WebCore/PAL/pal/CMakeLists.txt
M Source/WebCore/platform/graphics/gstreamer/GstAllocatorFastMalloc.cpp
M Source/WebCore/platform/sql/SQLiteDatabase.cpp
M Source/WebDriver/CMakeLists.txt
M Source/WebKit/CMakeLists.txt
M Source/WebKit/Platform/IPC/Connection.h
M Source/WebKit/Platform/IPC/Decoder.h
M Source/WebKit/UIProcess/glib/WebProcessPoolGLib.cpp
M Source/WebKit/WPEPlatform/CMakeLists.txt
M Source/WebKitLegacy/CMakeLists.txt
M Source/bmalloc/CMakeLists.txt
M Source/bmalloc/bmalloc.xcodeproj/project.pbxproj
R Source/bmalloc/bmalloc/AllIsoHeaps.cpp
R Source/bmalloc/bmalloc/AllIsoHeaps.h
R Source/bmalloc/bmalloc/AllIsoHeapsInlines.h
R Source/bmalloc/bmalloc/Allocator.cpp
R Source/bmalloc/bmalloc/Allocator.h
M Source/bmalloc/bmalloc/AvailableMemory.cpp
M Source/bmalloc/bmalloc/BPlatform.h
R Source/bmalloc/bmalloc/Bits.h
R Source/bmalloc/bmalloc/BulkDecommit.h
R Source/bmalloc/bmalloc/BumpAllocator.h
R Source/bmalloc/bmalloc/BumpRange.h
R Source/bmalloc/bmalloc/Cache.cpp
R Source/bmalloc/bmalloc/Cache.h
R Source/bmalloc/bmalloc/Chunk.h
R Source/bmalloc/bmalloc/Deallocator.cpp
R Source/bmalloc/bmalloc/Deallocator.h
R Source/bmalloc/bmalloc/DeferredDecommit.h
R Source/bmalloc/bmalloc/DeferredDecommitInlines.h
R Source/bmalloc/bmalloc/DeferredTrigger.h
R Source/bmalloc/bmalloc/DeferredTriggerInlines.h
R Source/bmalloc/bmalloc/EligibilityResult.h
R Source/bmalloc/bmalloc/EligibilityResultInlines.h
M Source/bmalloc/bmalloc/Environment.cpp
R Source/bmalloc/bmalloc/FixedVector.h
R Source/bmalloc/bmalloc/FreeList.cpp
R Source/bmalloc/bmalloc/FreeList.h
R Source/bmalloc/bmalloc/FreeListInlines.h
M Source/bmalloc/bmalloc/Gigacage.cpp
M Source/bmalloc/bmalloc/Gigacage.h
M Source/bmalloc/bmalloc/GigacageConfig.h
R Source/bmalloc/bmalloc/Heap.cpp
R Source/bmalloc/bmalloc/Heap.h
R Source/bmalloc/bmalloc/HeapConstants.cpp
R Source/bmalloc/bmalloc/HeapConstants.h
M Source/bmalloc/bmalloc/HeapKind.h
R Source/bmalloc/bmalloc/IsoAllocator.h
R Source/bmalloc/bmalloc/IsoAllocatorInlines.h
R Source/bmalloc/bmalloc/IsoConfig.h
R Source/bmalloc/bmalloc/IsoDeallocator.h
R Source/bmalloc/bmalloc/IsoDeallocatorInlines.h
R Source/bmalloc/bmalloc/IsoDirectory.h
R Source/bmalloc/bmalloc/IsoDirectoryInlines.h
R Source/bmalloc/bmalloc/IsoDirectoryPage.h
R Source/bmalloc/bmalloc/IsoDirectoryPageInlines.h
R Source/bmalloc/bmalloc/IsoHeap.cpp
R Source/bmalloc/bmalloc/IsoHeap.h
R Source/bmalloc/bmalloc/IsoHeapImpl.cpp
R Source/bmalloc/bmalloc/IsoHeapImpl.h
R Source/bmalloc/bmalloc/IsoHeapImplInlines.h
R Source/bmalloc/bmalloc/IsoHeapInlines.h
R Source/bmalloc/bmalloc/IsoMallocFallback.cpp
R Source/bmalloc/bmalloc/IsoMallocFallback.h
R Source/bmalloc/bmalloc/IsoPage.cpp
R Source/bmalloc/bmalloc/IsoPage.h
R Source/bmalloc/bmalloc/IsoPageInlines.h
R Source/bmalloc/bmalloc/IsoPageTrigger.h
R Source/bmalloc/bmalloc/IsoSharedConfig.h
R Source/bmalloc/bmalloc/IsoSharedHeap.cpp
R Source/bmalloc/bmalloc/IsoSharedHeap.h
R Source/bmalloc/bmalloc/IsoSharedHeapInlines.h
R Source/bmalloc/bmalloc/IsoSharedPage.cpp
R Source/bmalloc/bmalloc/IsoSharedPage.h
R Source/bmalloc/bmalloc/IsoSharedPageInlines.h
R Source/bmalloc/bmalloc/IsoTLS.cpp
R Source/bmalloc/bmalloc/IsoTLS.h
R Source/bmalloc/bmalloc/IsoTLSAllocatorEntry.h
R Source/bmalloc/bmalloc/IsoTLSAllocatorEntryInlines.h
R Source/bmalloc/bmalloc/IsoTLSDeallocatorEntry.h
R Source/bmalloc/bmalloc/IsoTLSDeallocatorEntryInlines.h
R Source/bmalloc/bmalloc/IsoTLSEntry.cpp
R Source/bmalloc/bmalloc/IsoTLSEntry.h
R Source/bmalloc/bmalloc/IsoTLSEntryInlines.h
R Source/bmalloc/bmalloc/IsoTLSInlines.h
R Source/bmalloc/bmalloc/IsoTLSLayout.cpp
R Source/bmalloc/bmalloc/IsoTLSLayout.h
R Source/bmalloc/bmalloc/LargeMap.cpp
R Source/bmalloc/bmalloc/LargeMap.h
R Source/bmalloc/bmalloc/LargeRange.h
R Source/bmalloc/bmalloc/LineMetadata.h
R Source/bmalloc/bmalloc/List.h
R Source/bmalloc/bmalloc/Object.h
R Source/bmalloc/bmalloc/ObjectType.cpp
R Source/bmalloc/bmalloc/ObjectType.h
R Source/bmalloc/bmalloc/ObjectTypeTable.cpp
R Source/bmalloc/bmalloc/ObjectTypeTable.h
R Source/bmalloc/bmalloc/Packed.h
R Source/bmalloc/bmalloc/PerHeapKind.h
R Source/bmalloc/bmalloc/PerProcess.cpp
R Source/bmalloc/bmalloc/PerProcess.h
R Source/bmalloc/bmalloc/PerThread.h
R Source/bmalloc/bmalloc/PhysicalPageMap.h
R Source/bmalloc/bmalloc/Range.h
R Source/bmalloc/bmalloc/Scavenger.cpp
R Source/bmalloc/bmalloc/Scavenger.h
R Source/bmalloc/bmalloc/SegmentedVector.h
R Source/bmalloc/bmalloc/SmallLine.h
R Source/bmalloc/bmalloc/SmallPage.h
M Source/bmalloc/bmalloc/TZoneHeap.cpp
M Source/bmalloc/bmalloc/TZoneHeapManager.h
M Source/bmalloc/bmalloc/TZoneLog.cpp
M Source/bmalloc/bmalloc/VMAllocate.h
R Source/bmalloc/bmalloc/Zone.cpp
R Source/bmalloc/bmalloc/Zone.h
M Source/bmalloc/bmalloc/bmalloc.cpp
M Source/bmalloc/bmalloc/bmalloc.h
A Source/bmalloc/mimalloc/CMakeLists.txt
A Source/bmalloc/mimalloc/mimalloc/.gitattributes
A Source/bmalloc/mimalloc/mimalloc/.gitignore
A Source/bmalloc/mimalloc/mimalloc/CMakeLists.txt
A Source/bmalloc/mimalloc/mimalloc/LICENSE
A Source/bmalloc/mimalloc/mimalloc/SECURITY.md
A Source/bmalloc/mimalloc/mimalloc/azure-pipelines.yml
A Source/bmalloc/mimalloc/mimalloc/bin/mimalloc-redirect-arm64.dll
A Source/bmalloc/mimalloc/mimalloc/bin/mimalloc-redirect-arm64.lib
A Source/bmalloc/mimalloc/mimalloc/bin/mimalloc-redirect-arm64ec.dll
A Source/bmalloc/mimalloc/mimalloc/bin/mimalloc-redirect-arm64ec.lib
A Source/bmalloc/mimalloc/mimalloc/bin/mimalloc-redirect.dll
A Source/bmalloc/mimalloc/mimalloc/bin/mimalloc-redirect.lib
A Source/bmalloc/mimalloc/mimalloc/bin/mimalloc-redirect32.dll
A Source/bmalloc/mimalloc/mimalloc/bin/mimalloc-redirect32.lib
A Source/bmalloc/mimalloc/mimalloc/bin/minject-arm64.exe
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A Source/bmalloc/mimalloc/mimalloc/bin/minject32.exe
A Source/bmalloc/mimalloc/mimalloc/bin/readme.md
A Source/bmalloc/mimalloc/mimalloc/cmake/JoinPaths.cmake
A Source/bmalloc/mimalloc/mimalloc/cmake/mimalloc-config-version.cmake
A Source/bmalloc/mimalloc/mimalloc/cmake/mimalloc-config.cmake
A Source/bmalloc/mimalloc/mimalloc/contrib/docker/alpine-arm32v7/Dockerfile
A Source/bmalloc/mimalloc/mimalloc/contrib/docker/alpine-x86/Dockerfile
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A Source/bmalloc/mimalloc/mimalloc/contrib/docker/readme.md
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M Source/cmake/OptionsJSCOnly.cmake
M Source/cmake/OptionsWin.cmake
M Source/cmake/WebKitFeatures.cmake
M Tools/DumpRenderTree/CMakeLists.txt
M Tools/Scripts/webkitperl/FeatureList.pm
M Tools/TestRunnerShared/CMakeLists.txt
M Tools/TestWebKitAPI/CMakeLists.txt
M Tools/TestWebKitAPI/glib/WPEPlatform/CMakeLists.txt
M Tools/WebKitTestRunner/CMakeLists.txt
Log Message:
-----------
[bmalloc] Replace old bmalloc with mimalloc
https://bugs.webkit.org/show_bug.cgi?id=304685
rdar://167162535
Reviewed by Marcus Plutowski.
We remove old bmalloc code. This is no longer used in Apple platforms
and we are no longer planning to support it. All Apple platforms are
moving to libpas, and we would like to ensure that bmalloc is always
enabled on all platforms in WebKit. Thus, this patch,
1. Integrating mimalloc as a backend of bmalloc for 32bit, Windows etc.
2. Always building and enabling bmalloc on all WebKit builds. bmalloc
acts as a lower level library under WTF on all platforms.
3. USE(SYSTEM_MALLOC) should just change the backend of bmalloc to
system malloc instead of disabling bmalloc builds.
mimalloc is well supported and maintained in many platforms, while it
lacks many features (1) JIT executable memory management, (2)
Gigacage-level large heap management, and (3) MTE. But most of these
lack are the same to the old bmalloc. Basically after this change,
1. All Apple platforms use libpas. Effectively we drop support of old bmalloc.
2. ARM64 / x64 Linux (at least JSCOnly) use libpas. This is great for fuzzer
etc.
3. The rest of the platforms use mimalloc as a backend.
Tests: Tools/TestWebKitAPI/CMakeLists.txt
Tools/TestWebKitAPI/glib/WPEPlatform/CMakeLists.txt
Canonical link: https://commits.webkit.org/305759@main
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