forked from luck/tmp_suning_uos_patched
[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>
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parent
6ed5eb2211
commit
9a2dba4b49
36
mm/slab.c
36
mm/slab.c
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@ -679,7 +679,7 @@ static void enable_cpucache(kmem_cache_t *cachep);
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static void cache_reap(void *unused);
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static int __node_shrink(kmem_cache_t *cachep, int node);
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static inline struct array_cache *ac_data(kmem_cache_t *cachep)
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static inline struct array_cache *cpu_cache_get(kmem_cache_t *cachep)
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{
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return cachep->array[smp_processor_id()];
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}
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@ -1186,8 +1186,8 @@ void __init kmem_cache_init(void)
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ptr = kmalloc(sizeof(struct arraycache_init), GFP_KERNEL);
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local_irq_disable();
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BUG_ON(ac_data(&cache_cache) != &initarray_cache.cache);
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memcpy(ptr, ac_data(&cache_cache),
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BUG_ON(cpu_cache_get(&cache_cache) != &initarray_cache.cache);
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memcpy(ptr, cpu_cache_get(&cache_cache),
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sizeof(struct arraycache_init));
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cache_cache.array[smp_processor_id()] = ptr;
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local_irq_enable();
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@ -1195,9 +1195,9 @@ void __init kmem_cache_init(void)
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ptr = kmalloc(sizeof(struct arraycache_init), GFP_KERNEL);
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local_irq_disable();
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BUG_ON(ac_data(malloc_sizes[INDEX_AC].cs_cachep)
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BUG_ON(cpu_cache_get(malloc_sizes[INDEX_AC].cs_cachep)
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!= &initarray_generic.cache);
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memcpy(ptr, ac_data(malloc_sizes[INDEX_AC].cs_cachep),
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memcpy(ptr, cpu_cache_get(malloc_sizes[INDEX_AC].cs_cachep),
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sizeof(struct arraycache_init));
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malloc_sizes[INDEX_AC].cs_cachep->array[smp_processor_id()] =
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ptr;
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@ -1235,7 +1235,7 @@ void __init kmem_cache_init(void)
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g_cpucache_up = FULL;
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/* Register a cpu startup notifier callback
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* that initializes ac_data for all new cpus
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* that initializes cpu_cache_get for all new cpus
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*/
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register_cpu_notifier(&cpucache_notifier);
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@ -1909,11 +1909,11 @@ kmem_cache_create (const char *name, size_t size, size_t align,
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jiffies + REAPTIMEOUT_LIST3 +
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((unsigned long)cachep) % REAPTIMEOUT_LIST3;
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BUG_ON(!ac_data(cachep));
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ac_data(cachep)->avail = 0;
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ac_data(cachep)->limit = BOOT_CPUCACHE_ENTRIES;
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ac_data(cachep)->batchcount = 1;
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ac_data(cachep)->touched = 0;
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BUG_ON(!cpu_cache_get(cachep));
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cpu_cache_get(cachep)->avail = 0;
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cpu_cache_get(cachep)->limit = BOOT_CPUCACHE_ENTRIES;
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cpu_cache_get(cachep)->batchcount = 1;
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cpu_cache_get(cachep)->touched = 0;
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cachep->batchcount = 1;
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cachep->limit = BOOT_CPUCACHE_ENTRIES;
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}
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@ -1992,7 +1992,7 @@ static void do_drain(void *arg)
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int node = numa_node_id();
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check_irq_off();
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ac = ac_data(cachep);
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ac = cpu_cache_get(cachep);
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spin_lock(&cachep->nodelists[node]->list_lock);
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free_block(cachep, ac->entry, ac->avail, node);
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spin_unlock(&cachep->nodelists[node]->list_lock);
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@ -2518,7 +2518,7 @@ static void *cache_alloc_refill(kmem_cache_t *cachep, gfp_t flags)
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struct array_cache *ac;
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check_irq_off();
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ac = ac_data(cachep);
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ac = cpu_cache_get(cachep);
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retry:
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batchcount = ac->batchcount;
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if (!ac->touched && batchcount > BATCHREFILL_LIMIT) {
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@ -2590,7 +2590,7 @@ static void *cache_alloc_refill(kmem_cache_t *cachep, gfp_t flags)
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x = cache_grow(cachep, flags, numa_node_id());
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// cache_grow can reenable interrupts, then ac could change.
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ac = ac_data(cachep);
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ac = cpu_cache_get(cachep);
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if (!x && ac->avail == 0) // no objects in sight? abort
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return NULL;
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@ -2675,7 +2675,7 @@ static inline void *____cache_alloc(kmem_cache_t *cachep, gfp_t flags)
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#endif
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check_irq_off();
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ac = ac_data(cachep);
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ac = cpu_cache_get(cachep);
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if (likely(ac->avail)) {
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STATS_INC_ALLOCHIT(cachep);
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ac->touched = 1;
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@ -2868,7 +2868,7 @@ static void cache_flusharray(kmem_cache_t *cachep, struct array_cache *ac)
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*/
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static inline void __cache_free(kmem_cache_t *cachep, void *objp)
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{
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struct array_cache *ac = ac_data(cachep);
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struct array_cache *ac = cpu_cache_get(cachep);
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check_irq_off();
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objp = cache_free_debugcheck(cachep, objp, __builtin_return_address(0));
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@ -3253,7 +3253,7 @@ static void do_ccupdate_local(void *info)
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struct array_cache *old;
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check_irq_off();
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old = ac_data(new->cachep);
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old = cpu_cache_get(new->cachep);
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new->cachep->array[smp_processor_id()] = new->new[smp_processor_id()];
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new->new[smp_processor_id()] = old;
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@ -3419,7 +3419,7 @@ static void cache_reap(void *unused)
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drain_alien_cache(searchp, l3);
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spin_lock_irq(&l3->list_lock);
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drain_array_locked(searchp, ac_data(searchp), 0,
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drain_array_locked(searchp, cpu_cache_get(searchp), 0,
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numa_node_id());
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if (time_after(l3->next_reap, jiffies))
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