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mm: move page->mem_cgroup bad page handling into generic code

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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 <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Acked-by: Vladimir Davydov <[email protected]>
Acked-by: David S. Miller <[email protected]>
Cc: KAMEZAWA Hiroyuki <[email protected]>
Cc: "Kirill A. Shutemov" <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Johannes Weiner 2014-12-10 15:44:58 -08:00 • committed by Linus Torvalds
commit 9edad6ea0f
5 changed files with 12 additions and 49 deletions
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5
mm/debug.c
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@ -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)