[compiler-rt] [scudo] Add EnableMultiRegions mode (PR #98076)
via llvm-commits
llvm-commits at lists.llvm.org
Tue Sep 10 14:58:08 PDT 2024
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@@ -127,11 +127,26 @@ void MemMapLinux::releaseAndZeroPagesToOSImpl(uptr From, uptr Size) {
}
bool ReservedMemoryLinux::createImpl(uptr Addr, uptr Size, const char *Name,
- uptr Flags) {
+ uptr Flags, uptr Alignment) {
ReservedMemoryLinux::MemMapT MemMap;
- if (!MemMap.map(Addr, Size, Name, Flags | MAP_NOACCESS))
+ uptr MapSize = Size;
+ if (Alignment != getPageSizeCached())
+ MapSize += Alignment;
+ if (!MemMap.map(Addr, MapSize, Name, Flags | MAP_NOACCESS))
return false;
+ if (Alignment != getPageSizeCached()) {
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ChiaHungDuan wrote:
Add `LIKELY`, let me know if you think a comment is better.
https://github.com/llvm/llvm-project/pull/98076
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