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Message-Id: <1604662413-5734-1-git-send-email-alex.shi@linux.alibaba.com>
Date: Fri, 6 Nov 2020 19:33:33 +0800
From: Alex Shi <alex.shi@...ux.alibaba.com>
To: hannes@...xchg.org, akpm@...ux-foundation.org
Cc: Michal Hocko <mhocko@...nel.org>,
Vladimir Davydov <vdavydov.dev@...il.com>,
cgroups@...r.kernel.org, linux-mm@...ck.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] 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.
Signed-off-by: Alex Shi <alex.shi@...ux.alibaba.com>
Cc: Johannes Weiner <hannes@...xchg.org>
Cc: Michal Hocko <mhocko@...nel.org>
Cc: Vladimir Davydov <vdavydov.dev@...il.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: cgroups@...r.kernel.org
Cc: linux-mm@...ck.org
Cc: linux-kernel@...r.kernel.org
---
mm/memcontrol.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index b2aa3b73ab82..8a8debea34fc 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1310,7 +1310,7 @@ 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_memcg(page) being stable - see the
* access rules in commit_charge().
*/
struct lruvec *mem_cgroup_page_lruvec(struct page *page, struct pglist_data *pgdat)
@@ -2862,7 +2862,7 @@ static void commit_charge(struct page *page, struct mem_cgroup *memcg)
{
VM_BUG_ON_PAGE(page_memcg(page), page);
/*
- * Any of the following ensures page->mem_cgroup stability:
+ * Any of the following ensures page_memcg(page) stability:
*
* - the page lock
* - LRU isolation
--
1.8.3.1
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