Commit 25487d73 authored by Xishi Qiu's avatar Xishi Qiu Committed by Linus Torvalds

lib/show_mem.c: show num_poisoned_pages when oom

Show num_poisoned_pages when oom, it is a little helpful to find the
reason.  Also it will be emitted anytime show_mem() is called.
Signed-off-by: 's avatarXishi Qiu <qiuxishi@huawei.com>
Suggested-by: 's avatarNaoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: 's avatarMichal Hocko <mhocko@suse.cz>
Acked-by: 's avatarDavid Rientjes <rientjes@google.com>
Reviewed-by: 's avatarWanpeng Li <liwanp@linux.vnet.ibm.com>
Acked-by: 's avatarKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: 's avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: 's avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 4883e997
......@@ -43,4 +43,7 @@ void show_mem(unsigned int filter)
printk("%lu pages in pagetable cache\n",
quicklist_total_size());
#endif
#ifdef CONFIG_MEMORY_FAILURE
printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages));
#endif
}
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