From 632b2ef0c72d9ea0f76619ad04ca53aae121f8b9 Mon Sep 17 00:00:00 2001 From: Liu Xiang Date: Mon, 13 May 2019 17:16:28 -0700 Subject: [PATCH] mm/slub.c: update the comment about slab frozen Now frozen slab can only be on the per cpu partial list. Link: http://lkml.kernel.org/r/1554022325-11305-1-git-send-email-liu.xiang6@zte.com.cn Signed-off-by: Liu Xiang Cc: Christoph Lameter Cc: Pekka Enberg Cc: David Rientjes Cc: Joonsoo Kim Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/slub.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/mm/slub.c b/mm/slub.c index af3b72b5de82..cd04dbd2b5d0 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -58,10 +58,11 @@ * D. page->frozen -> frozen state * * If a slab is frozen then it is exempt from list management. It is not - * on any list. The processor that froze the slab is the one who can - * perform list operations on the page. Other processors may put objects - * onto the freelist but the processor that froze the slab is the only - * one that can retrieve the objects from the page's freelist. + * on any list except per cpu partial list. The processor that froze the + * slab is the one who can perform list operations on the page. Other + * processors may put objects onto the freelist but the processor that + * froze the slab is the only one that can retrieve the objects from the + * page's freelist. * * The list_lock protects the partial and full list on each node and * the partial slab counter. If taken then no new slabs may be added or -- 2.30.2