diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/slab.c | 47 |
1 files changed, 21 insertions, 26 deletions
diff --git a/mm/slab.c b/mm/slab.c index e2b3907b7b0c..fc4a77446700 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -433,11 +433,6 @@ static int obj_offset(struct kmem_cache *cachep) return cachep->obj_offset; } -static int obj_size(struct kmem_cache *cachep) -{ - return cachep->object_size; -} - static unsigned long long *dbg_redzone1(struct kmem_cache *cachep, void *objp) { BUG_ON(!(cachep->flags & SLAB_RED_ZONE)); @@ -465,7 +460,6 @@ static void **dbg_userword(struct kmem_cache *cachep, void *objp) #else #define obj_offset(x) 0 -#define obj_size(cachep) (cachep->size) #define dbg_redzone1(cachep, objp) ({BUG(); (unsigned long long *)NULL;}) #define dbg_redzone2(cachep, objp) ({BUG(); (unsigned long long *)NULL;}) #define dbg_userword(cachep, objp) ({BUG(); (void **)NULL;}) @@ -1853,7 +1847,7 @@ static void kmem_rcu_free(struct rcu_head *head) static void store_stackinfo(struct kmem_cache *cachep, unsigned long *addr, unsigned long caller) { - int size = obj_size(cachep); + int size = cachep->object_size; addr = (unsigned long *)&((char *)addr)[obj_offset(cachep)]; @@ -1885,7 +1879,7 @@ static void store_stackinfo(struct kmem_cache *cachep, unsigned long *addr, static void poison_obj(struct kmem_cache *cachep, void *addr, unsigned char val) { - int size = obj_size(cachep); + int size = cachep->object_size; addr = &((char *)addr)[obj_offset(cachep)]; memset(addr, val, size); @@ -1945,7 +1939,7 @@ static void print_objinfo(struct kmem_cache *cachep, void *objp, int lines) printk("\n"); } realobj = (char *)objp + obj_offset(cachep); - size = obj_size(cachep); + size = cachep->object_size; for (i = 0; i < size && lines; i += 16, lines--) { int limit; limit = 16; @@ -1962,7 +1956,7 @@ static void check_poison_obj(struct kmem_cache *cachep, void *objp) int lines = 0; realobj = (char *)objp + obj_offset(cachep); - size = obj_size(cachep); + size = cachep->object_size; for (i = 0; i < size; i++) { char exp = POISON_FREE; @@ -3265,7 +3259,7 @@ static bool slab_should_failslab(struct kmem_cache *cachep, gfp_t flags) if (cachep == &cache_cache) return false; - return should_failslab(obj_size(cachep), flags, cachep->flags); + return should_failslab(cachep->object_size, flags, cachep->flags); } static inline void *____cache_alloc(struct kmem_cache *cachep, gfp_t flags) @@ -3525,14 +3519,14 @@ __cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid, out: local_irq_restore(save_flags); ptr = cache_alloc_debugcheck_after(cachep, flags, ptr, caller); - kmemleak_alloc_recursive(ptr, obj_size(cachep), 1, cachep->flags, + kmemleak_alloc_recursive(ptr, cachep->object_size, 1, cachep->flags, flags); if (likely(ptr)) - kmemcheck_slab_alloc(cachep, flags, ptr, obj_size(cachep)); + kmemcheck_slab_alloc(cachep, flags, ptr, cachep->object_size); if (unlikely((flags & __GFP_ZERO) && ptr)) - memset(ptr, 0, obj_size(cachep)); + memset(ptr, 0, cachep->object_size); return ptr; } @@ -3587,15 +3581,15 @@ __cache_alloc(struct kmem_cache *cachep, gfp_t flags, void *caller) objp = __do_cache_alloc(cachep, flags); local_irq_restore(save_flags); objp = cache_alloc_debugcheck_after(cachep, flags, objp, caller); - kmemleak_alloc_recursive(objp, obj_size(cachep), 1, cachep->flags, + kmemleak_alloc_recursive(objp, cachep->object_size, 1, cachep->flags, flags); prefetchw(objp); if (likely(objp)) - kmemcheck_slab_alloc(cachep, flags, objp, obj_size(cachep)); + kmemcheck_slab_alloc(cachep, flags, objp, cachep->object_size); if (unlikely((flags & __GFP_ZERO) && objp)) - memset(objp, 0, obj_size(cachep)); + memset(objp, 0, cachep->object_size); return objp; } @@ -3711,7 +3705,7 @@ static inline void __cache_free(struct kmem_cache *cachep, void *objp, kmemleak_free_recursive(objp, cachep->flags); objp = cache_free_debugcheck(cachep, objp, caller); - kmemcheck_slab_free(cachep, objp, obj_size(cachep)); + kmemcheck_slab_free(cachep, objp, cachep->object_size); /* * Skip calling cache_free_alien() when the platform is not numa. @@ -3746,7 +3740,7 @@ void *kmem_cache_alloc(struct kmem_cache *cachep, gfp_t flags) void *ret = __cache_alloc(cachep, flags, __builtin_return_address(0)); trace_kmem_cache_alloc(_RET_IP_, ret, - obj_size(cachep), cachep->size, flags); + cachep->object_size, cachep->size, flags); return ret; } @@ -3774,7 +3768,7 @@ void *kmem_cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid) __builtin_return_address(0)); trace_kmem_cache_alloc_node(_RET_IP_, ret, - obj_size(cachep), cachep->size, + cachep->object_size, cachep->size, flags, nodeid); return ret; @@ -3896,9 +3890,9 @@ void kmem_cache_free(struct kmem_cache *cachep, void *objp) unsigned long flags; local_irq_save(flags); - debug_check_no_locks_freed(objp, obj_size(cachep)); + debug_check_no_locks_freed(objp, cachep->size); if (!(cachep->flags & SLAB_DEBUG_OBJECTS)) - debug_check_no_obj_freed(objp, obj_size(cachep)); + debug_check_no_obj_freed(objp, cachep->object_size); __cache_free(cachep, objp, __builtin_return_address(0)); local_irq_restore(flags); @@ -3927,8 +3921,9 @@ void kfree(const void *objp) local_irq_save(flags); kfree_debugcheck(objp); c = virt_to_cache(objp); - debug_check_no_locks_freed(objp, obj_size(c)); - debug_check_no_obj_freed(objp, obj_size(c)); + debug_check_no_locks_freed(objp, c->object_size); + + debug_check_no_obj_freed(objp, c->object_size); __cache_free(c, (void *)objp, __builtin_return_address(0)); local_irq_restore(flags); } @@ -3936,7 +3931,7 @@ EXPORT_SYMBOL(kfree); unsigned int kmem_cache_size(struct kmem_cache *cachep) { - return obj_size(cachep); + return cachep->object_size; } EXPORT_SYMBOL(kmem_cache_size); @@ -4657,6 +4652,6 @@ size_t ksize(const void *objp) if (unlikely(objp == ZERO_SIZE_PTR)) return 0; - return obj_size(virt_to_cache(objp)); + return virt_to_cache(objp)->object_size; } EXPORT_SYMBOL(ksize); |