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mm/slub.c: replace kmem_cache->cpu_partial with wrapped APIs 

There are slub_cpu_partial() and slub_set_cpu_partial() APIs to wrap
kmem_cache->cpu_partial.  This patch will use the two APIs to replace
kmem_cache->cpu_partial in slub code.

Signed-off-by: chenqiwu <chenqiwu@xiaomi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Link: http://lkml.kernel.org/r/1582079562-17980-1-git-send-email-qiwuchen55@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
chenqiwu 2020-04-01 21:04:19 -07:00 committed by Linus Torvalds
parent 4c7ba22e4c
commit bbd4e305e3
1 changed files with 7 additions and 7 deletions
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14
mm/slub.c
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@ -2282,7 +2282,7 @@ static void put_cpu_partial(struct kmem_cache *s, struct page *page, int drain)
if (oldpage) {
pobjects = oldpage->pobjects;
pages = oldpage->pages;
if (drain && pobjects > s->cpu_partial) {
if (drain && pobjects > slub_cpu_partial(s)) {
unsigned long flags;
/*
* partial array is full. Move the existing
@ -2307,7 +2307,7 @@ static void put_cpu_partial(struct kmem_cache *s, struct page *page, int drain)
} while (this_cpu_cmpxchg(s->cpu_slab->partial, oldpage, page)
!= oldpage);
if (unlikely(!s->cpu_partial)) {
if (unlikely(!slub_cpu_partial(s))) {
unsigned long flags;
local_irq_save(flags);
@ -3512,15 +3512,15 @@ static void set_cpu_partial(struct kmem_cache *s)
* 50% to keep some capacity around for frees.
*/
if (!kmem_cache_has_cpu_partial(s))
s->cpu_partial = 0;
slub_set_cpu_partial(s, 0);
else if (s->size >= PAGE_SIZE)
s->cpu_partial = 2;
slub_set_cpu_partial(s, 2);
else if (s->size >= 1024)
s->cpu_partial = 6;
slub_set_cpu_partial(s, 6);
else if (s->size >= 256)
s->cpu_partial = 13;
slub_set_cpu_partial(s, 13);
else
s->cpu_partial = 30;
slub_set_cpu_partial(s, 30);
#endif
}