On Mon 09-12-13 17:52:30, Xishi Qiu wrote: > Show num_poisoned_pages when oom, it is helpful to find the reason. > > Signed-off-by: Xishi Qiu <[email protected]>
I would not expect the number of these pages would be too high to matter in real life but having the information cannot be harmful in any way. Acked-by: Michal Hocko <[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 poisoned\n", atomic_long_read(&num_poisoned_pages)); > +#endif > } > -- > 1.7.1 > -- Michal Hocko SUSE Labs -- 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/
