Messages in this thread Patch in this message | | | Date | Tue, 10 Dec 2013 09:38:52 +0800 | From | Xishi Qiu <> | Subject | [PATCH V2] mm: add show num_poisoned_pages when oom |
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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: Xishi Qiu <qiuxishi@huawei.com> Suggested-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Acked-by: Michal Hocko <mhocko@suse.cz> Acked-by: David Rientjes <rientjes@google.com> --- lib/show_mem.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/lib/show_mem.c b/lib/show_mem.c index 5847a49..1cbdcd8 100644 --- a/lib/show_mem.c +++ b/lib/show_mem.c @@ -46,4 +46,7 @@ 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 } -- 1.7.1
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