1 files changed, 9 insertions, 0 deletions
diff --git a/lib/msan/msan_allocator.cc b/lib/msan/msan_allocator.cc
index 698b6cddd30b..6df35664279f 100644
--- a/lib/msan/msan_allocator.cc
+++ b/lib/msan/msan_allocator.cc
@@ -58,6 +58,15 @@ struct MsanMapUnmapCallback {
   typedef SizeClassAllocator64<kAllocatorSpace, kAllocatorSize, kMetadataSize,
                              DefaultSizeClassMap,
                              MsanMapUnmapCallback> PrimaryAllocator;
+#elif defined(__powerpc64__)
+  static const uptr kAllocatorSpace = 0x300000000000;
+  static const uptr kAllocatorSize  = 0x020000000000;  // 2T
+  static const uptr kMetadataSize  = sizeof(Metadata);
+  static const uptr kMaxAllowedMallocSize = 2UL << 30;  // 2G
+
+  typedef SizeClassAllocator64<kAllocatorSpace, kAllocatorSize, kMetadataSize,
+                             DefaultSizeClassMap,
+                             MsanMapUnmapCallback> PrimaryAllocator;
 #endif
 typedef SizeClassAllocatorLocalCache<PrimaryAllocator> AllocatorCache;
 typedef LargeMmapAllocator<MsanMapUnmapCallback> SecondaryAllocator;