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| author | Dmitriy Vyukov <dvyukov@google.com> | 2012-05-02 18:01:11 +0400 |
|---|---|---|
| committer | Dmitriy Vyukov <dvyukov@google.com> | 2012-05-02 18:01:11 +0400 |
| commit | c1c851bbe806d8fb3f483a32e8dfac48522dfe21 (patch) | |
| tree | 4873e4caab1ecf83da7b7c57eba60d94cc2f567e /src/pkg/runtime/malloc.goc | |
| parent | 0d55d9832f6b21a5c273073e1703d1d0ae5ecb02 (diff) | |
| download | go-c1c851bbe806d8fb3f483a32e8dfac48522dfe21.tar.xz | |
runtime: avoid unnecessary zeroization of huge memory blocks
+move zeroization out of the heap mutex
R=golang-dev, iant, rsc
CC=golang-dev
https://golang.org/cl/6094050
Diffstat (limited to 'src/pkg/runtime/malloc.goc')
| -rw-r--r-- | src/pkg/runtime/malloc.goc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/pkg/runtime/malloc.goc b/src/pkg/runtime/malloc.goc index fbdd6bb021..4bea5e220c 100644 --- a/src/pkg/runtime/malloc.goc +++ b/src/pkg/runtime/malloc.goc @@ -60,7 +60,7 @@ runtime·mallocgc(uintptr size, uint32 flag, int32 dogc, int32 zeroed) npages = size >> PageShift; if((size & PageMask) != 0) npages++; - s = runtime·MHeap_Alloc(&runtime·mheap, npages, 0, 1); + s = runtime·MHeap_Alloc(&runtime·mheap, npages, 0, 1, zeroed); if(s == nil) runtime·throw("out of memory"); size = npages<<PageShift; |