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-rw-r--r--lib/Kconfig.debug2
-rw-r--r--mm/slub.c30
2 files changed, 16 insertions, 16 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 0796c1a..eef557d 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -211,7 +211,7 @@ config SLUB_DEBUG_ON
config SLUB_STATS
default n
bool "Enable SLUB performance statistics"
- depends on SLUB
+ depends on SLUB && SLUB_DEBUG && SYSFS
help
SLUB statistics are useful to debug SLUBs allocation behavior in
order find ways to optimize the allocator. This should never be
diff --git a/mm/slub.c b/mm/slub.c
index 3df6d5b..3fcdcf7 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2688,21 +2688,6 @@ void kfree(const void *x)
}
EXPORT_SYMBOL(kfree);
-#if defined(CONFIG_SLUB_DEBUG) || defined(CONFIG_SLABINFO)
-static unsigned long count_partial(struct kmem_cache_node *n)
-{
- unsigned long flags;
- unsigned long x = 0;
- struct page *page;
-
- spin_lock_irqsave(&n->list_lock, flags);
- list_for_each_entry(page, &n->partial, lru)
- x += page->inuse;
- spin_unlock_irqrestore(&n->list_lock, flags);
- return x;
-}
-#endif
-
/*
* kmem_cache_shrink removes empty slabs from the partial lists and sorts
* the remaining slabs by the number of items in use. The slabs with the
@@ -3181,6 +3166,21 @@ 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)
+static unsigned long count_partial(struct kmem_cache_node *n)
+{
+ unsigned long flags;
+ unsigned long x = 0;
+ struct page *page;
+
+ spin_lock_irqsave(&n->list_lock, flags);
+ list_for_each_entry(page, &n->partial, lru)
+ x += page->inuse;
+ spin_unlock_irqrestore(&n->list_lock, flags);
+ return x;
+}
+#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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