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

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From: chenqiwu <chenqiwu@xxxxxxxxxx>
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/1581951895-3038-1-git-send-email-qiwuchen55@xxxxxxxxx
Signed-off-by: chenqiwu <chenqiwu@xxxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

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

--- 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) {
_




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