diff options
Diffstat (limited to 'lib/tsan/rtl/tsan_platform_linux.cc')
| -rw-r--r-- | lib/tsan/rtl/tsan_platform_linux.cc | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/lib/tsan/rtl/tsan_platform_linux.cc b/lib/tsan/rtl/tsan_platform_linux.cc index 4dcfa558529c..7bc28db296ec 100644 --- a/lib/tsan/rtl/tsan_platform_linux.cc +++ b/lib/tsan/rtl/tsan_platform_linux.cc @@ -215,10 +215,11 @@ void InitializeShadowMemory() { // Frequently a thread uses only a small part of stack and similarly // a program uses a small part of large mmap. On some programs // we see 20% memory usage reduction without huge pages for this range. -#ifdef MADV_NOHUGEPAGE - madvise((void*)MemToShadow(0x7f0000000000ULL), - 0x10000000000ULL * kShadowMultiplier, MADV_NOHUGEPAGE); -#endif + // FIXME: don't use constants here. + NoHugePagesInRegion(MemToShadow(0x7f0000000000ULL), + 0x10000000000ULL * kShadowMultiplier); + if (common_flags()->use_madv_dontdump) + DontDumpShadowMemory(kShadowBeg, kShadowEnd - kShadowBeg); DPrintf("memory shadow: %zx-%zx (%zuGB)\n", kShadowBeg, kShadowEnd, (kShadowEnd - kShadowBeg) >> 30); @@ -232,6 +233,8 @@ void InitializeShadowMemory() { "to link with -pie (%p, %p).\n", meta, kMetaShadowBeg); Die(); } + if (common_flags()->use_madv_dontdump) + DontDumpShadowMemory(meta, meta_size); DPrintf("meta shadow: %zx-%zx (%zuGB)\n", meta, meta + meta_size, meta_size >> 30); |