[all-commits] [llvm/llvm-project] bf0f87: [scudo] Avoid splitting aligned allocations on Tru...

[Andrei Homescu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: bf0f874e4883a98ab69cff3da323713a5fe80dfd
      https://github.com/llvm/llvm-project/commit/bf0f874e4883a98ab69cff3da323713a5fe80dfd
  Author: Andrei Homescu <ahomescu at google.com>
  Date:   2024-02-29 (Thu, 29 Feb 2024)

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

  Log Message:
  -----------
  [scudo] Avoid splitting aligned allocations on Trusty (#69281)

Don't use multiple tagged pages at the beginning of an allocation, since
it prevents using such allocations for memrefs, and mappings aren't
reused anyway since Trusty uses MapAllocatorNoCache.
Upstreamed from https://r.android.com/2537251.

Co-authored-by: Marco Nelissen <marcone at google.com>



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