From: chenqiwu <chenqiwu@xxxxxxxxxx>
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@xxxxxxxxxx>
---
mm/slub.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/mm/slub.c b/mm/slub.c
index 17dc00e..1eb888c 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2284,7 +2284,7 @@ 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
@@ -2309,7 +2309,7 @@ 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);
@@ -3493,15 +3493,15 @@ 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
}
--
1.9.1
