[all-commits] [llvm/llvm-project] 53c955: [scudo] Apply the min release threshold to the gro...

ChiaHungDuan via All-commits all-commits at lists.llvm.org
Mon Oct 14 10:46:34 PDT 2024


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 53c9553562c778338a82574123fb7cfb943c4042
      https://github.com/llvm/llvm-project/commit/53c9553562c778338a82574123fb7cfb943c4042
  Author: ChiaHungDuan <chiahungduan at google.com>
  Date:   2024-10-14 (Mon, 14 Oct 2024)

  Changed paths:
    M compiler-rt/lib/scudo/standalone/primary64.h

  Log Message:
  -----------
  [scudo] Apply the min release threshold to the group (#112014)

For the block smaller than a page size, one block is unlikely to
introduce more unused pages (at most 2 if it acrosses the page boundary
and both touched pages are unused). So it's better to apply the
threshold to reduce the time of scanning groups that can't release any
new pages.



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