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Subject[patch 07/26] SLUB: Add some more inlines and #ifdef CONFIG_SLUB_DEBUG
Add #ifdefs around data structures only needed if debugging is compiled
into SLUB.

Add inlines to small functions to reduce code size.

Signed-off-by: Christoph Lameter <clameter@sgi.com>

---
include/linux/slub_def.h | 4 ++++
mm/slub.c | 13 +++++++------
2 files changed, 11 insertions(+), 6 deletions(-)

Index: linux-2.6.22-rc4-mm2/mm/slub.c
===================================================================
--- linux-2.6.22-rc4-mm2.orig/mm/slub.c 2007-06-17 18:11:59.000000000 -0700
+++ linux-2.6.22-rc4-mm2/mm/slub.c 2007-06-17 18:12:04.000000000 -0700
@@ -259,9 +259,10 @@ static int sysfs_slab_add(struct kmem_ca
static int sysfs_slab_alias(struct kmem_cache *, const char *);
static void sysfs_slab_remove(struct kmem_cache *);
#else
-static int sysfs_slab_add(struct kmem_cache *s) { return 0; }
-static int sysfs_slab_alias(struct kmem_cache *s, const char *p) { return 0; }
-static void sysfs_slab_remove(struct kmem_cache *s) {}
+static inline int sysfs_slab_add(struct kmem_cache *s) { return 0; }
+static inline int sysfs_slab_alias(struct kmem_cache *s, const char *p)
+ { return 0; }
+static inline void sysfs_slab_remove(struct kmem_cache *s) {}
#endif

/********************************************************************
@@ -1405,7 +1406,7 @@ static void deactivate_slab(struct kmem_
unfreeze_slab(s, page);
}

-static void flush_slab(struct kmem_cache *s, struct page *page, int cpu)
+static inline void flush_slab(struct kmem_cache *s, struct page *page, int cpu)
{
slab_lock(page);
deactivate_slab(s, page, cpu);
@@ -1415,7 +1416,7 @@ static void flush_slab(struct kmem_cache
* Flush cpu slab.
* Called from IPI handler with interrupts disabled.
*/
-static void __flush_cpu_slab(struct kmem_cache *s, int cpu)
+static inline void __flush_cpu_slab(struct kmem_cache *s, int cpu)
{
struct page *page = s->cpu_slab[cpu];

@@ -2174,7 +2175,7 @@ static int free_list(struct kmem_cache *
/*
* Release all resources used by a slab cache.
*/
-static int kmem_cache_close(struct kmem_cache *s)
+static inline int kmem_cache_close(struct kmem_cache *s)
{
int node;

Index: linux-2.6.22-rc4-mm2/include/linux/slub_def.h
===================================================================
--- linux-2.6.22-rc4-mm2.orig/include/linux/slub_def.h 2007-06-17 18:11:59.000000000 -0700
+++ linux-2.6.22-rc4-mm2/include/linux/slub_def.h 2007-06-17 18:12:04.000000000 -0700
@@ -16,7 +16,9 @@ struct kmem_cache_node {
unsigned long nr_partial;
atomic_long_t nr_slabs;
struct list_head partial;
+#ifdef CONFIG_SLUB_DEBUG
struct list_head full;
+#endif
};

/*
@@ -44,7 +46,9 @@ struct kmem_cache {
int align; /* Alignment */
const char *name; /* Name (only for display!) */
struct list_head list; /* List of slab caches */
+#ifdef CONFIG_SLUB_DEBUG
struct kobject kobj; /* For sysfs */
+#endif

#ifdef CONFIG_NUMA
int defrag_ratio;
--
-
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