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authorMiles Chen <miles.chen@mediatek.com>2019-11-30 17:51:23 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-12-01 06:29:19 -0800
commit091e4299544f8658a4b10815da9e4e603e070121 (patch)
tree861987ee520759864b468712d523b3cfd7a673a0
parentf2400abc782dc38a1fee9cfc13589d31f1a0404f (diff)
mm/rmap.c: fix outdated comment in page_get_anon_vma()
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") Link: http://lkml.kernel.org/r/20191017093554.22562-1-miles.chen@mediatek.com Signed-off-by: Miles Chen <miles.chen@mediatek.com> Cc: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--mm/rmap.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/mm/rmap.c b/mm/rmap.c
index 4adae0e53f32..0b00c20fdb0b 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -477,9 +477,10 @@ 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)
{