[022/155] mm/slub.c: replace cpu_slab->partial with wrapped APIs

Commit Message

Andrew Morton April 2, 2020, 4:04 a.m. UTC

From: chenqiwu <[e-mail]>
Subject: mm/slub.c: replace cpu_slab->partial with wrapped APIs

There are slub_percpu_partial() and slub_set_percpu_partial() APIs to wrap
kmem_cache->cpu_partial.  This patch will use the two to replace
cpu_slab->partial in slub code.

Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: chenqiwu <[e-mail]>
Reviewed-by: Andrew Morton <[e-mail]>
Cc: Christoph Lameter <[e-mail]>
Cc: Pekka Enberg <[e-mail]>
Cc: David Rientjes <[e-mail]>
Cc: Joonsoo Kim <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
---

 mm/slub.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch

--- a/mm/slub.c~mm-slubc-replace-cpu_slab-partial-with-wrapped-apis
+++ a/mm/slub.c
@@ -2205,11 +2205,11 @@  static void unfreeze_partials(struct kme
 	struct kmem_cache_node *n = NULL, *n2 = NULL;
 	struct page *page, *discard_page = NULL;
 
-	while ((page = c->partial)) {
+	while ((page = slub_percpu_partial(c))) {
 		struct page new;
 		struct page old;
 
-		c->partial = page->next;
+		slub_set_percpu_partial(c, page);
 
 		n2 = get_node(s, page_to_nid(page));
 		if (n != n2) {