[all-commits] [llvm/llvm-project] 657d29: [scudo] Simplify markFreeBlocks

[ChiaHungDuan via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 657d297a92aed929d37c8d7b148a6e848bc182df
      https://github.com/llvm/llvm-project/commit/657d297a92aed929d37c8d7b148a6e848bc182df
  Author: Chia-hung Duan <chiahungduan at google.com>
  Date:   2023-03-07 (Tue, 07 Mar 2023)

  Changed paths:
    M compiler-rt/lib/scudo/standalone/primary32.h
    M compiler-rt/lib/scudo/standalone/primary64.h
    M compiler-rt/lib/scudo/standalone/release.h
    M compiler-rt/lib/scudo/standalone/tests/release_test.cpp

  Log Message:
  -----------
  [scudo] Simplify markFreeBlocks

With memory group, we always mark the free blocks from the same region.
Therefore, we don't need to calculate the offset from base and determine
the region index. Also improve the way we deal with the last block in
the region so that the loop body is simpler.

Reviewed By: cferris

Differential Revision: https://reviews.llvm.org/D143303