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| author | Alex Shlyapnikov <alekseys@google.com> | 2017-10-23 17:12:07 +0000 |
|---|---|---|
| committer | Alex Shlyapnikov <alekseys@google.com> | 2017-10-23 17:12:07 +0000 |
| commit | a21db44b446dc6e7db373e6cc4c57c9cdbd768c9 (patch) | |
| tree | acc1755d97ff247ff926634642d1d8ef5cba3fe1 /lib/sanitizer_common/sanitizer_allocator_primary32.h | |
| parent | e378f8791d2d42e4c3f26033ba20a1bf4b43d2d5 (diff) | |
| download | compiler-rt-a21db44b446dc6e7db373e6cc4c57c9cdbd768c9.tar.gz | |
[Sanitizers] New sanitizer API to purge allocator quarantine.
Summary:
Purging allocator quarantine and returning memory to OS might be desired
between fuzzer iterations since, most likely, the quarantine is not
going to catch bugs in the code under fuzz, but reducing RSS might
significantly prolong the fuzzing session.
Reviewers: cryptoad
Subscribers: kubamracek, llvm-commits
Differential Revision: https://reviews.llvm.org/D39153
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@316347 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/sanitizer_common/sanitizer_allocator_primary32.h')
| -rw-r--r-- | lib/sanitizer_common/sanitizer_allocator_primary32.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_allocator_primary32.h b/lib/sanitizer_common/sanitizer_allocator_primary32.h index 8f8a71d67..8abf2f9f5 100644 --- a/lib/sanitizer_common/sanitizer_allocator_primary32.h +++ b/lib/sanitizer_common/sanitizer_allocator_primary32.h @@ -120,6 +120,10 @@ class SizeClassAllocator32 { // This is empty here. Currently only implemented in 64-bit allocator. } + void ForceReleaseToOS() { + // Currently implemented in 64-bit allocator only. + } + void *MapWithCallback(uptr size) { void *res = MmapOrDie(size, "SizeClassAllocator32"); MapUnmapCallback().OnMap((uptr)res, size); |