* [PATCH] mm: fix outdated comment in page_get_anon_vma()
@ 2019-10-17 9:35 Miles Chen
0 siblings, 0 replies; only message in thread
From: Miles Chen @ 2019-10-17 9:35 UTC (permalink / raw)
To: Andrew Morton
Cc: linux-mm, Miles Chen, linux-mediatek, linux-kernel, wsd_upstream
Replace DESTROY_BY_RCU with SLAB_TYPESAFE_BY_RCU because
SLAB_DESTROY_BY_RCU has been renamed to SLAB_TYPESAFE_BY_RCU by
commit 5f0d5a3ae7cf ("mm: Rename SLAB_DESTROY_BY_RCU to
SLAB_TYPESAFE_BY_RCU")
Signed-off-by: Miles Chen <miles.chen@mediatek.com>
---
mm/rmap.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/mm/rmap.c b/mm/rmap.c
index d9a23bb773bf..bdb20f2bbe9f 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -457,9 +457,10 @@ void __init anon_vma_init(void)
* chain and verify that the page in question is indeed mapped in it
* [ something equivalent to page_mapped_in_vma() ].
*
- * Since anon_vma's slab is DESTROY_BY_RCU and we know from page_remove_rmap()
- * that the anon_vma pointer from page->mapping is valid if there is a
- * mapcount, we can dereference the anon_vma after observing those.
+ * Since anon_vma's slab is SLAB_TYPESAFE_BY_RCU and we know from
+ * page_remove_rmap() that the anon_vma pointer from page->mapping is valid
+ * if there is a mapcount, we can dereference the anon_vma after observing
+ * those.
*/
struct anon_vma *page_get_anon_vma(struct page *page)
{
--
2.18.0
_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2019-10-17 9:36 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-10-17 9:35 [PATCH] mm: fix outdated comment in page_get_anon_vma() Miles Chen
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).