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authorChristoph Lameter <clameter@sgi.com>2008-04-29 16:16:06 -0700
committerPekka Enberg <penberg@cs.helsinki.fi>2008-05-02 00:27:13 +0300
commitf6acb63508700b5f8cd817082b62c96ba907775e (patch)
tree0fc0cdd4660fdf186f3becc1b80d743f8d3edbea
parentf715e6f15ee167026581a8a2e09b2ed644b974aa (diff)
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op-kernel-dev-f6acb63508700b5f8cd817082b62c96ba907775e.tar.gz
slub: #ifdef simplification
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>
-rw-r--r--init/Kconfig2
-rw-r--r--mm/slub.c6
2 files changed, 3 insertions, 5 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 3e7b257..6a44def 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -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
diff --git a/mm/slub.c b/mm/slub.c
index c9c12ac..d379b78 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -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)
{
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