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SLUB: fix build when !SLUB_DEBUG

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Fix this build error when CONFIG_SLUB_DEBUG is not set:
mm/slub.c: In function 'slab_out_of_memory':
mm/slub.c:1551: error: 'struct kmem_cache_node' has no member named 'nr_slabs'
mm/slub.c:1552: error: 'struct kmem_cache_node' has no member named 'total_objects'

[ penberg@cs.helsinki.fi: cleanups ]
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
This commit is contained in:
Alexander Beregalov 2009-06-11 14:08:48 +04:00 committed by Pekka Enberg
parent 781b2ba6eb
commit 26c02cf05d
1 changed files with 19 additions and 3 deletions
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22
mm/slub.c
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@ -832,6 +832,11 @@ static inline unsigned long slabs_node(struct kmem_cache *s, int node)
return atomic_long_read(&n->nr_slabs);
}
static inline unsigned long node_nr_slabs(struct kmem_cache_node *n)
{
return atomic_long_read(&n->nr_slabs);
}
static inline void inc_slabs_node(struct kmem_cache *s, int node, int objects)
{
struct kmem_cache_node *n = get_node(s, node);
@ -1050,6 +1055,8 @@ static inline unsigned long kmem_cache_flags(unsigned long objsize,
static inline unsigned long slabs_node(struct kmem_cache *s, int node)
{ return 0; }
static inline unsigned long node_nr_slabs(struct kmem_cache_node *n)
{ return 0; }
static inline void inc_slabs_node(struct kmem_cache *s, int node,
int objects) {}
static inline void dec_slabs_node(struct kmem_cache *s, int node,
@ -1503,6 +1510,15 @@ static unsigned long count_partial(struct kmem_cache_node *n,
return x;
}
static inline unsigned long node_nr_objs(struct kmem_cache_node *n)
{
#ifdef CONFIG_SLUB_DEBUG
return atomic_long_read(&n->total_objects);
#else
return 0;
#endif
}
static noinline void
slab_out_of_memory(struct kmem_cache *s, gfp_t gfpflags, int nid)
{
@ -1524,9 +1540,9 @@ slab_out_of_memory(struct kmem_cache *s, gfp_t gfpflags, int nid)
if (!n)
continue;
nr_slabs = atomic_long_read(&n->nr_slabs);
nr_objs = atomic_long_read(&n->total_objects);
nr_free = count_partial(n, count_free);
nr_free = count_partial(n, count_free);
nr_slabs = node_nr_slabs(n);
nr_objs = node_nr_objs(n);
printk(KERN_WARNING
" node %d: slabs: %ld, objs: %ld, free: %ld\n",