summaryrefslogtreecommitdiffstats
path: root/compiler-rt/lib/sanitizer_common/sanitizer_posix.cc
diff options
context:
space:
mode:
Diffstat (limited to 'compiler-rt/lib/sanitizer_common/sanitizer_posix.cc')
-rw-r--r--compiler-rt/lib/sanitizer_common/sanitizer_posix.cc4
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_posix.cc b/compiler-rt/lib/sanitizer_common/sanitizer_posix.cc
index 0cc514d3a56..32657838600 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_posix.cc
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_posix.cc
@@ -115,6 +115,10 @@ void *Mprotect(uptr fixed_addr, uptr size) {
-1, 0);
}
+void FlushUnneededShadowMemory(uptr addr, uptr size) {
+ madvise((void*)addr, size, MADV_DONTNEED);
+}
+
void *MapFileToMemory(const char *file_name, uptr *buff_size) {
fd_t fd = internal_open(file_name, false);
CHECK_NE(fd, kInvalidFd);
OpenPOWER on IntegriCloud