mirror of
https://github.com/torvalds/linux.git
synced 2024-11-10 22:21:40 +00:00
[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>
This commit is contained in:
parent
6ed5eb2211
commit
9a2dba4b49
36
mm/slab.c
36
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))
|
||||
|
Loading…
Reference in New Issue
Block a user