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| author | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2020-10-12 14:27:29 +0200 |
|---|---|---|
| committer | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2020-10-13 09:35:20 +0000 |
| commit | c30a6232df03e1efbd9f3b226777b07e087a1122 (patch) | |
| tree | e992f45784689f373bcc38d1b79a239ebe17ee23 /chromium/v8/src/heap/cppgc/gc-info-table.cc | |
| parent | 7b5b123ac58f58ffde0f4f6e488bcd09aa4decd3 (diff) | |
| download | qtwebengine-chromium-85-based.tar.gz | |
BASELINE: Update Chromium to 85.0.4183.14085-based
Change-Id: Iaa42f4680837c57725b1344f108c0196741f6057
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
Diffstat (limited to 'chromium/v8/src/heap/cppgc/gc-info-table.cc')
| -rw-r--r-- | chromium/v8/src/heap/cppgc/gc-info-table.cc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/chromium/v8/src/heap/cppgc/gc-info-table.cc b/chromium/v8/src/heap/cppgc/gc-info-table.cc index dda5f0a7e83..8f2ee965011 100644 --- a/chromium/v8/src/heap/cppgc/gc-info-table.cc +++ b/chromium/v8/src/heap/cppgc/gc-info-table.cc @@ -18,6 +18,11 @@ namespace internal { namespace { +// GCInfoTable::table_, the table which holds GCInfos, is maintained as a +// contiguous array reserved upfront. Subparts of the array are (re-)committed +// as read/write or read-only in OS pages, whose size is a power of 2. To avoid +// having GCInfos that cross the boundaries between these subparts we force the +// size of GCInfo to be a power of 2 as well. constexpr size_t kEntrySize = sizeof(GCInfo); static_assert(v8::base::bits::IsPowerOfTwo(kEntrySize), "GCInfoTable entries size must be power of " |