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 <[email protected]> Suggested-by: Naoya Horiguchi <[email protected]> Acked-by: Michal Hocko <[email protected]> Acked-by: David Rientjes <[email protected]> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
