Commit: b707b07c5b9f9c952ceab5135aab77ca58eb7d49
Author: Campbell Barton
Date: Sun Jun 8 23:07:00 2014 +1000
https://developer.blender.org/rBb707b07c5b9f9c952ceab5135aab77ca58eb7d49
Fix mempool bottleneck alloc & freeing a single item
Would continuously reinitialize the first chunk of the mempool,
now check for at least 2 blocks.
===================================================================
M source/blender/blenlib/intern/BLI_mempool.c
===================================================================
diff --git a/source/blender/blenlib/intern/BLI_mempool.c
b/source/blender/blenlib/intern/BLI_mempool.c
index 448fefa..8fc5f97 100644
--- a/source/blender/blenlib/intern/BLI_mempool.c
+++ b/source/blender/blenlib/intern/BLI_mempool.c
@@ -409,7 +409,9 @@ void BLI_mempool_free(BLI_mempool *pool, void *addr)
#endif
/* nothing is in use; free all the chunks except the first */
- if (UNLIKELY(pool->totused == 0)) {
+ if (UNLIKELY(pool->totused == 0) &&
+ (pool->chunks->next))
+ {
const unsigned int esize = pool->esize;
BLI_freenode *curnode;
unsigned int j;
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