[sanitizer] use fewer size classes in the allocator to reduce the memory footprint. There is no all-size-fits-all constant here, but this change is positive or neutral on several large apps I've tested

llvm-svn: 176855

1 files changed, 3 insertions, 3 deletions

diff --git a/compiler-rt/lib/sanitizer_common/tests/sanitizer_allocator_test.cc b/compiler-rt/lib/sanitizer_common/tests/sanitizer_allocator_test.cc
index 0e0d9a90e48..40cf8a5190b 100644
--- a/compiler-rt/lib/sanitizer_common/tests/sanitizer_allocator_test.cc
+++ b/compiler-rt/lib/sanitizer_common/tests/sanitizer_allocator_test.cc
@@ -203,7 +203,7 @@ TEST(SanitizerCommon, SizeClassAllocator64MapUnmapCallback) {
   cache.Init(0);
   AllocatorStats stats;
   stats.Init();
-  a->AllocateBatch(&stats, &cache, 64);
+  a->AllocateBatch(&stats, &cache, 32);
   EXPECT_EQ(TestMapUnmapCallback::map_count, 3);  // State + alloc + metadata.
   a->TestOnlyUnmap();
   EXPECT_EQ(TestMapUnmapCallback::unmap_count, 1);  // The whole thing.
@@ -225,7 +225,7 @@ TEST(SanitizerCommon, SizeClassAllocator32MapUnmapCallback) {
   cache.Init(0);
   AllocatorStats stats;
   stats.Init();
-  a->AllocateBatch(&stats, &cache, 64);
+  a->AllocateBatch(&stats, &cache, 32);
   EXPECT_EQ(TestMapUnmapCallback::map_count, 2);  // alloc.
   a->TestOnlyUnmap();
   EXPECT_EQ(TestMapUnmapCallback::unmap_count, 2);  // The whole thing + alloc.
@@ -258,7 +258,7 @@ void FailInAssertionOnOOM() {
   AllocatorStats stats;
   stats.Init();
   for (int i = 0; i < 1000000; i++) {
-    a.AllocateBatch(&stats, &cache, 64);
+    a.AllocateBatch(&stats, &cache, 52);
   }
 
   a.TestOnlyUnmap();