From 9a2dba4b4912b493070cbc170629fdbf440b01d7 Mon Sep 17 00:00:00 2001
From: Pekka Enberg <penberg@cs.helsinki.fi>
Date: Wed, 1 Feb 2006 03:05:49 -0800
Subject: [PATCH] [PATCH] slab: rename ac_data to cpu_cache_get
Rename the ac_data() function to more descriptive cpu_cache_get().
Acked-by: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
mm/slab.c | 36 ++++++++++++++++++------------------
1 file changed, 18 insertions(+), 18 deletions(-)
diff --git a/mm/slab.c b/mm/slab.c
index c2f9e0a330ffb..b190938649984 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -679,7 +679,7 @@ static void enable_cpucache(kmem_cache_t *cachep);
static void cache_reap(void *unused);
static int __node_shrink(kmem_cache_t *cachep, int node);
-static inline struct array_cache *ac_data(kmem_cache_t *cachep)
+static inline struct array_cache *cpu_cache_get(kmem_cache_t *cachep)
{
return cachep->array[smp_processor_id()];
}
@@ -1186,8 +1186,8 @@ void __init kmem_cache_init(void)
ptr = kmalloc(sizeof(struct arraycache_init), GFP_KERNEL);
local_irq_disable();
- BUG_ON(ac_data(&cache_cache) != &initarray_cache.cache);
- memcpy(ptr, ac_data(&cache_cache),
+ BUG_ON(cpu_cache_get(&cache_cache) != &initarray_cache.cache);
+ memcpy(ptr, cpu_cache_get(&cache_cache),
sizeof(struct arraycache_init));
cache_cache.array[smp_processor_id()] = ptr;
local_irq_enable();
@@ -1195,9 +1195,9 @@ void __init kmem_cache_init(void)
ptr = kmalloc(sizeof(struct arraycache_init), GFP_KERNEL);
local_irq_disable();
- BUG_ON(ac_data(malloc_sizes[INDEX_AC].cs_cachep)
+ BUG_ON(cpu_cache_get(malloc_sizes[INDEX_AC].cs_cachep)
!= &initarray_generic.cache);
- memcpy(ptr, ac_data(malloc_sizes[INDEX_AC].cs_cachep),
+ memcpy(ptr, cpu_cache_get(malloc_sizes[INDEX_AC].cs_cachep),
sizeof(struct arraycache_init));
malloc_sizes[INDEX_AC].cs_cachep->array[smp_processor_id()] =
ptr;
@@ -1235,7 +1235,7 @@ void __init kmem_cache_init(void)
g_cpucache_up = FULL;
/* Register a cpu startup notifier callback
- * that initializes ac_data for all new cpus
+ * that initializes cpu_cache_get for all new cpus
*/
register_cpu_notifier(&cpucache_notifier);
@@ -1909,11 +1909,11 @@ kmem_cache_create (const char *name, size_t size, size_t align,
jiffies + REAPTIMEOUT_LIST3 +
((unsigned long)cachep) % REAPTIMEOUT_LIST3;
- BUG_ON(!ac_data(cachep));
- ac_data(cachep)->avail = 0;
- ac_data(cachep)->limit = BOOT_CPUCACHE_ENTRIES;
- ac_data(cachep)->batchcount = 1;
- ac_data(cachep)->touched = 0;
+ BUG_ON(!cpu_cache_get(cachep));
+ cpu_cache_get(cachep)->avail = 0;
+ cpu_cache_get(cachep)->limit = BOOT_CPUCACHE_ENTRIES;
+ cpu_cache_get(cachep)->batchcount = 1;
+ cpu_cache_get(cachep)->touched = 0;
cachep->batchcount = 1;
cachep->limit = BOOT_CPUCACHE_ENTRIES;
}
@@ -1992,7 +1992,7 @@ static void do_drain(void *arg)
int node = numa_node_id();
check_irq_off();
- ac = ac_data(cachep);
+ ac = cpu_cache_get(cachep);
spin_lock(&cachep->nodelists[node]->list_lock);
free_block(cachep, ac->entry, ac->avail, node);
spin_unlock(&cachep->nodelists[node]->list_lock);
@@ -2518,7 +2518,7 @@ static void *cache_alloc_refill(kmem_cache_t *cachep, gfp_t flags)
struct array_cache *ac;
check_irq_off();
- ac = ac_data(cachep);
+ ac = cpu_cache_get(cachep);
retry:
batchcount = ac->batchcount;
if (!ac->touched && batchcount > BATCHREFILL_LIMIT) {
@@ -2590,7 +2590,7 @@ static void *cache_alloc_refill(kmem_cache_t *cachep, gfp_t flags)
x = cache_grow(cachep, flags, numa_node_id());
// cache_grow can reenable interrupts, then ac could change.
- ac = ac_data(cachep);
+ ac = cpu_cache_get(cachep);
if (!x && ac->avail == 0) // no objects in sight? abort
return NULL;
@@ -2675,7 +2675,7 @@ static inline void *____cache_alloc(kmem_cache_t *cachep, gfp_t flags)
#endif
check_irq_off();
- ac = ac_data(cachep);
+ ac = cpu_cache_get(cachep);
if (likely(ac->avail)) {
STATS_INC_ALLOCHIT(cachep);
ac->touched = 1;
@@ -2868,7 +2868,7 @@ static void cache_flusharray(kmem_cache_t *cachep, struct array_cache *ac)
*/
static inline void __cache_free(kmem_cache_t *cachep, void *objp)
{
- struct array_cache *ac = ac_data(cachep);
+ struct array_cache *ac = cpu_cache_get(cachep);
check_irq_off();
objp = cache_free_debugcheck(cachep, objp, __builtin_return_address(0));
@@ -3253,7 +3253,7 @@ static void do_ccupdate_local(void *info)
struct array_cache *old;
check_irq_off();
- old = ac_data(new->cachep);
+ old = cpu_cache_get(new->cachep);
new->cachep->array[smp_processor_id()] = new->new[smp_processor_id()];
new->new[smp_processor_id()] = old;
@@ -3419,7 +3419,7 @@ static void cache_reap(void *unused)
drain_alien_cache(searchp, l3);
spin_lock_irq(&l3->list_lock);
- drain_array_locked(searchp, ac_data(searchp), 0,
+ drain_array_locked(searchp, cpu_cache_get(searchp), 0,
numa_node_id());
if (time_after(l3->next_reap, jiffies))
--
2.30.2