linux-kernel - [PATCH] slub: update the comment about slab frozen

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Message-Id: <1554022325-11305-1-git-send-email-liu.xiang6@zte.com.cn>
Date:   Sun, 31 Mar 2019 16:52:05 +0800
From:   Liu Xiang <liu.xiang6@....com.cn>
To:     linux-mm@...ck.org
Cc:     linux-kernel@...r.kernel.org, cl@...ux.com, penberg@...nel.org,
        rientjes@...gle.com, iamjoonsoo.kim@....com,
        akpm@...ux-foundation.org, liuxiang_1999@....com,
        Liu Xiang <liu.xiang6@....com.cn>
Subject: [PATCH] slub: update the comment about slab frozen

Now frozen slab can only be on the per cpu partial list.

Signed-off-by: Liu Xiang <liu.xiang6@....com.cn>
---
 mm/slub.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/mm/slub.c b/mm/slub.c
index dc77776..9e2f220 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
-- 
1.9.1