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| author | Dmitriy Vyukov <dvyukov@google.com> | 2013-05-22 13:29:17 +0400 |
|---|---|---|
| committer | Dmitriy Vyukov <dvyukov@google.com> | 2013-05-22 13:29:17 +0400 |
| commit | c4cfef075edcbf9391933152ceede9948595d15a (patch) | |
| tree | 8f577125e1f107ece4abddf3afca80565d405b73 /src/pkg/runtime/malloc.h | |
| parent | 23dec8d1907f85d487b2adf3f0672c2cc02e4ce6 (diff) | |
| download | go-c4cfef075edcbf9391933152ceede9948595d15a.tar.xz | |
runtime: simplify MCache
The nlistmin/size thresholds are copied from tcmalloc,
but are unnecesary for Go malloc. We do not do explicit
frees into MCache. For sparse cases when we do (mainly hashmap),
simpler logic will do.
R=rsc, dave, iant
CC=gobot, golang-dev, r, remyoudompheng
https://golang.org/cl/9373043
Diffstat (limited to 'src/pkg/runtime/malloc.h')
| -rw-r--r-- | src/pkg/runtime/malloc.h | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/src/pkg/runtime/malloc.h b/src/pkg/runtime/malloc.h index a4652beda1..cbcc09cdb7 100644 --- a/src/pkg/runtime/malloc.h +++ b/src/pkg/runtime/malloc.h @@ -109,8 +109,6 @@ enum MaxSmallSize = 32<<10, FixAllocChunk = 128<<10, // Chunk size for FixAlloc - MaxMCacheListLen = 256, // Maximum objects on MCacheList - MaxMCacheSize = 2<<20, // Maximum bytes in one MCache MaxMHeapList = 1<<(20 - PageShift), // Maximum page length for fixed-size list in MHeap. HeapAllocChunk = 1<<20, // Chunk size for heap growth @@ -283,13 +281,11 @@ struct MCacheList { MLink *list; uint32 nlist; - uint32 nlistmin; }; struct MCache { MCacheList list[NumSizeClasses]; - uintptr size; intptr local_cachealloc; // bytes allocated (or freed) from cache since last lock of heap intptr local_objects; // objects allocated (or freed) from cache since last lock of heap intptr local_alloc; // bytes allocated (or freed) since last lock of heap @@ -396,7 +392,7 @@ struct MCentral void runtime·MCentral_Init(MCentral *c, int32 sizeclass); int32 runtime·MCentral_AllocList(MCentral *c, MLink **first); -void runtime·MCentral_FreeList(MCentral *c, int32 n, MLink *first); +void runtime·MCentral_FreeList(MCentral *c, MLink *first); void runtime·MCentral_FreeSpan(MCentral *c, MSpan *s, int32 n, MLink *start, MLink *end); // Main malloc heap. |