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authorJohannes Weiner <hannes@cmpxchg.org>2014-12-10 15:44:58 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-12-10 17:41:09 -0800
commit9edad6ea0f1416415f6fe31cc9d1dbc3817803ed (patch)
tree0f734696a3f9e66ce5f43f602a78736c0ff66b68 /mm/debug.c
parent5d1ea48bdde67898e87d6d8f511fd097fa64c749 (diff)
downloadlinux-sh-9edad6ea0f1416415f6fe31cc9d1dbc3817803ed.tar.gz
mm: move page->mem_cgroup bad page handling into generic code
Now that the external page_cgroup data structure and its lookup is gone, let the generic bad_page() check for page->mem_cgroup sanity. Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Michal Hocko <mhocko@suse.cz> Acked-by: Vladimir Davydov <vdavydov@parallels.com> Acked-by: David S. Miller <davem@davemloft.net> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: "Kirill A. Shutemov" <kirill@shutemov.name> Cc: Tejun Heo <tj@kernel.org> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/debug.c')
-rw-r--r--mm/debug.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/debug.c b/mm/debug.c
index 5ce45c9a29b5..0e58f3211f89 100644
--- a/mm/debug.c
+++ b/mm/debug.c
@@ -95,7 +95,10 @@ void dump_page_badflags(struct page *page, const char *reason,
dump_flags(page->flags & badflags,
pageflag_names, ARRAY_SIZE(pageflag_names));
}
- mem_cgroup_print_bad_page(page);
+#ifdef CONFIG_MEMCG
+ if (page->mem_cgroup)
+ pr_alert("page->mem_cgroup:%p\n", page->mem_cgroup);
+#endif
}
void dump_page(struct page *page, const char *reason)