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| author | Richard Braun <rbraun@sceen.net> | 2013-04-21 00:58:54 +0200 |
|---|---|---|
| committer | Richard Braun <rbraun@sceen.net> | 2013-04-21 00:58:54 +0200 |
| commit | b54c7e38d8871a0c8b7694e7fd02062cf7ca988a (patch) | |
| tree | 37da0a04bd95202082e9609fd8beef8b1cdabe7c | |
| parent | 8c8fa10a6146cf3cd0d473b38ced2fc99ad935fe (diff) | |
Fix locking error in the slab allocator
* kern/slab.c (kmem_cache_free): Lock cache before releasing an object to
the slab layer.
| -rw-r--r-- | kern/slab.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kern/slab.c b/kern/slab.c index 99d5bca..3db4db1 100644 --- a/kern/slab.c +++ b/kern/slab.c @@ -1305,7 +1305,9 @@ fast_free: slab_free: #endif /* SLAB_USE_CPU_POOLS */ + simple_lock(&cache->lock); kmem_cache_free_to_slab(cache, (void *)obj); + simple_unlock(&cache->lock); } void slab_collect(void) |