From: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx> Subject: 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/1491c150-1cc0-6062-08ea-9c891548a3bc@xxxxxxxxxxxxxxxxx Signed-off-by: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx> Acked-by: Roman Gushchin <guro@xxxxxx> Cc: Johannes Weiner <hannes@xxxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxxxx> Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/memcontrol.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/mm/memcontrol.c~mm-memcg-update-page-struct-member-in-comments +++ a/mm/memcontrol.c @@ -1324,7 +1324,7 @@ int mem_cgroup_scan_tasks(struct mem_cgr * @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 *p { 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 _
