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slub: #ifdef simplification

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If we make SLUB_DEBUG depend on SYSFS then we can simplify some
#ifdefs and avoid others.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
This commit is contained in:
Christoph Lameter 2008-04-29 16:16:06 -07:00 committed by Pekka Enberg
parent f715e6f15e
commit f6acb63508
2 changed files with 3 additions and 5 deletions
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2
init/Kconfig
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@ -720,7 +720,7 @@ config VM_EVENT_COUNTERS
config SLUB_DEBUG
default y
bool "Enable SLUB debugging support" if EMBEDDED
depends on SLUB
depends on SLUB && SYSFS
help
SLUB has extensive debug support features. Disabling these can
result in significant savings in code size. This also disables

6
mm/slub.c
View File

@ -217,7 +217,7 @@ struct track {
enum track_item { TRACK_ALLOC, TRACK_FREE };
#if defined(CONFIG_SYSFS) && defined(CONFIG_SLUB_DEBUG)
#ifdef CONFIG_SLUB_DEBUG
static int sysfs_slab_add(struct kmem_cache *);
static int sysfs_slab_alias(struct kmem_cache *, const char *);
static void sysfs_slab_remove(struct kmem_cache *);
@ -3247,7 +3247,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
return slab_alloc(s, gfpflags, node, caller);
}
#if (defined(CONFIG_SYSFS) && defined(CONFIG_SLUB_DEBUG)) || defined(CONFIG_SLABINFO)
#ifdef CONFIG_SLUB_DEBUG
static unsigned long count_partial(struct kmem_cache_node *n,
int (*get_count)(struct page *))
{
@ -3276,9 +3276,7 @@ static int count_free(struct page *page)
{
return page->objects - page->inuse;
}
#endif
#if defined(CONFIG_SYSFS) && defined(CONFIG_SLUB_DEBUG)
static int validate_slab(struct kmem_cache *s, struct page *page,
unsigned long *map)
{