Messages in this thread Patch in this message | | | From | Liu Xiang <> | Subject | [PATCH] slub: update the comment about slab frozen | Date | Sun, 31 Mar 2019 16:52:05 +0800 |
| |
Now frozen slab can only be on the per cpu partial list.
Signed-off-by: Liu Xiang <liu.xiang6@zte.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
| |