diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/slab.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/mm/slab.c b/mm/slab.c index e869400ea731..85adf0992011 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1459,15 +1459,13 @@ static void check_poison_obj(kmem_cache_t *cachep, void *objp) } #endif -/* Destroy all the objs in a slab, and release the mem back to the system. - * Before calling the slab must have been unlinked from the cache. - * The cache-lock is not held/needed. +#if DEBUG +/** + * slab_destroy_objs - call the registered destructor for each object in + * a slab that is to be destroyed. */ -static void slab_destroy(kmem_cache_t *cachep, struct slab *slabp) +static void slab_destroy_objs(kmem_cache_t *cachep, struct slab *slabp) { - void *addr = slabp->s_mem - slabp->colouroff; - -#if DEBUG int i; for (i = 0; i < cachep->num; i++) { void *objp = slabp->s_mem + cachep->buffer_size * i; @@ -1496,7 +1494,10 @@ static void slab_destroy(kmem_cache_t *cachep, struct slab *slabp) if (cachep->dtor && !(cachep->flags & SLAB_POISON)) (cachep->dtor) (objp + obj_offset(cachep), cachep, 0); } +} #else +static void slab_destroy_objs(kmem_cache_t *cachep, struct slab *slabp) +{ if (cachep->dtor) { int i; for (i = 0; i < cachep->num; i++) { @@ -1504,8 +1505,19 @@ static void slab_destroy(kmem_cache_t *cachep, struct slab *slabp) (cachep->dtor) (objp, cachep, 0); } } +} #endif +/** + * Destroy all the objs in a slab, and release the mem back to the system. + * Before calling the slab must have been unlinked from the cache. + * The cache-lock is not held/needed. + */ +static void slab_destroy(kmem_cache_t *cachep, struct slab *slabp) +{ + void *addr = slabp->s_mem - slabp->colouroff; + + slab_destroy_objs(cachep, slabp); if (unlikely(cachep->flags & SLAB_DESTROY_BY_RCU)) { struct slab_rcu *slab_rcu; |