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authorAlex Shi <[email protected]>2020-12-14 19:06:42 -0800
committerLinus Torvalds <[email protected]>2020-12-15 12:13:40 -0800
commita5eb011afe07077e19dbefa6e6259b667dd27aa0 (patch)
tree384ad5b45ec0438b91bbf3c54a1a6ab789a42447
parent013339df116c2ee0d796dd8bfb8f293a2030c063 (diff)
mm/memcg: update page struct member in comments
The page->mem_cgroup member is replaced by memcg_data, and add a helper page_memcg() for it. Need to update comments to avoid confusing. Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Alex Shi <[email protected]> Acked-by: Roman Gushchin <[email protected]> Cc: Johannes Weiner <[email protected]> Cc: Michal Hocko <[email protected]> Cc: Vladimir Davydov <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--mm/memcontrol.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 08a8fac29f6a..758613277286 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1324,7 +1324,7 @@ int mem_cgroup_scan_tasks(struct mem_cgroup *memcg,
* @page: the page
* @pgdat: pgdat of the page
*
- * This function relies on page->mem_cgroup being stable - see the
+ * This function relies on page's memcg being stable - see the
* access rules in commit_charge().
*/
struct lruvec *mem_cgroup_page_lruvec(struct page *page, struct pglist_data *pgdat)
@@ -2879,7 +2879,7 @@ static void commit_charge(struct page *page, struct mem_cgroup *memcg)
{
VM_BUG_ON_PAGE(page->mem_cgroup, page);
/*
- * Any of the following ensures page->mem_cgroup stability:
+ * Any of the following ensures page's memcg stability:
*
* - the page lock
* - LRU isolation