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| author | Kostya Serebryany <kcc@google.com> | 2015-01-21 02:05:31 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2015-01-21 02:05:31 +0000 |
| commit | f403e531abe8f3472056fadbc8c12fa8438e150a (patch) | |
| tree | db3253b1c811fbc3212a6d7ea2556b5a25297fef /lib/asan/asan_poisoning.h | |
| parent | 61df5b172dc3908c8b87fdad5f9cc2fbbdb5703a (diff) | |
| download | compiler-rt-f403e531abe8f3472056fadbc8c12fa8438e150a.tar.gz | |
[asan] use MADV_NOHUGEPAGE for shadow to reduce the actual memory usage
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@226636 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/asan/asan_poisoning.h')
| -rw-r--r-- | lib/asan/asan_poisoning.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/asan/asan_poisoning.h b/lib/asan/asan_poisoning.h index 73ae12fbc..3fc94649f 100644 --- a/lib/asan/asan_poisoning.h +++ b/lib/asan/asan_poisoning.h @@ -64,8 +64,7 @@ ALWAYS_INLINE void FastPoisonShadow(uptr aligned_beg, uptr aligned_size, if (page_end != shadow_end) { REAL(memset)((void *)page_end, 0, shadow_end - page_end); } - void *res = MmapFixedNoReserve(page_beg, page_end - page_beg); - CHECK_EQ(page_beg, res); + ReserveShadowMemoryRange(page_beg, page_end - 1); } } } |