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| author | chenqiwu <chenqiwu@xiaomi.com> | 2020-04-02 06:04:19 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-04-02 18:35:26 +0200 |
| commit | bbd4e305e373a7885bec0dbc285e6dde1b941523 (patch) | |
| tree | 576e1a8e27d2b1c415133f7d047166eb645ebd2a /mm/slub.c | |
| parent | mm/slub.c: replace cpu_slab->partial with wrapped APIs (diff) | |
| download | linux-bbd4e305e373a7885bec0dbc285e6dde1b941523.tar.xz linux-bbd4e305e373a7885bec0dbc285e6dde1b941523.zip | |
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>
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/mm/slub.c b/mm/slub.c index db0f657c09a1..fc911c222b11 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -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 } |