Messages in this thread | | | Date | Mon, 09 Dec 2013 16:49:38 -0500 | From | Naoya Horiguchi <> | Subject | Re: [PATCH] mm: add show num_poisoned_pages when oom |
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On Mon, Dec 09, 2013 at 05:52:30PM +0800, Xishi Qiu wrote: > Show num_poisoned_pages when oom, it is helpful to find the reason. > > Signed-off-by: Xishi Qiu <qiuxishi@huawei.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 poisoned\n", atomic_long_read(&num_poisoned_pages)); > +#endif > }
I think that just "poisoned" could be confusing because this word seems to be used also in other context (like slab and list_debug handling.) "hwpoisoned" or "hardware corrupted" (which is the same label in /proc/meminfo) looks better to me.
Thanks, Naoya Horiguchi
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