[PATCH] D116366: [Support] Add MemoryBuffer::dontNeedIfMmap

[Zibi Sarbino via Phabricator via llvm-commits]

zibi added inline comments.


================
Comment at: llvm/lib/Support/Unix/Path.inc:876
+  if (Mapping)
+    ::madvise(Mapping, Size, MADV_DONTNEED);
+}
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Unfortunately this change broke [[ https://lab.llvm.org/staging/#/builders/202/builds/111/steps/4/logs/stdio | AIX build ]] since `MADV_DONTNEED` is not available. Is there any other OS without `MADV_DONTNEED`? Can this be reverted until we find alternative?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D116366/new/

https://reviews.llvm.org/D116366