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| author | Russ Cox <rsc@golang.org> | 2013-02-15 14:27:03 -0500 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2013-02-15 14:27:03 -0500 |
| commit | 8a6ff3ab3469ea6b448d682ac7ebc3b818208634 (patch) | |
| tree | be0d4d94d611d072d7e2c615a6096b820e532dbf /src/pkg/runtime/malloc.h | |
| parent | f87b7f67b232db252a527dbc000533a27ccb8cd2 (diff) | |
| download | go-8a6ff3ab3469ea6b448d682ac7ebc3b818208634.tar.xz | |
runtime: allocate heap metadata at run time
Before, the mheap structure was in the bss,
but it's quite large (today, 256 MB, much of
which is never actually paged in), and it makes
Go binaries run afoul of exec-time bss size
limits on some BSD systems.
Fixes #4447.
R=golang-dev, dave, minux.ma, remyoudompheng, iant
CC=golang-dev
https://golang.org/cl/7307122
Diffstat (limited to 'src/pkg/runtime/malloc.h')
| -rw-r--r-- | src/pkg/runtime/malloc.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/pkg/runtime/malloc.h b/src/pkg/runtime/malloc.h index 5c65f62a24..5874741e17 100644 --- a/src/pkg/runtime/malloc.h +++ b/src/pkg/runtime/malloc.h @@ -427,7 +427,7 @@ struct MHeap FixAlloc spanalloc; // allocator for Span* FixAlloc cachealloc; // allocator for MCache* }; -extern MHeap runtime·mheap; +extern MHeap *runtime·mheap; void runtime·MHeap_Init(MHeap *h, void *(*allocator)(uintptr)); MSpan* runtime·MHeap_Alloc(MHeap *h, uintptr npage, int32 sizeclass, int32 acct, int32 zeroed); |