On Mon 13-03-17 11:45:01, Dmitry Vyukov wrote: > On Mon, Mar 13, 2017 at 11:37 AM, Dmitry Vyukov <dvyukov@xxxxxxxxxx> wrote: [...] > > diff --git a/mm/page_alloc.c b/mm/page_alloc.c > > index 6cbde310abed..418c80a76b4a 100644 > > --- a/mm/page_alloc.c > > +++ b/mm/page_alloc.c > > @@ -3073,6 +3073,11 @@ static inline bool should_suppress_show_mem(void) > > #if NODES_SHIFT > 8 > > ret = in_interrupt(); > > /\/\/\/\/\/\/\/\ > As a side note, looking at this line. > Can vmalloc be called from an interrupt? If so, won't we fail all > vmalloc's in an unlucky interrupt that hit a task with > fatal_signal_pending? __get_vm_area_node has a BUG_ON so I do not think this is allowed. -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>