On Thu 20-07-17 15:40:27, Vlastimil Babka wrote: > page_ext_init() can take long on large machines, so add a cond_resched() point > after each section is processed. This will allow moving the init to a later > point at boot without triggering lockup reports. > > Signed-off-by: Vlastimil Babka <vbabka@xxxxxxx> Acked-by: Michal Hocko <mhocko@xxxxxxxx> > --- > mm/page_ext.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/mm/page_ext.c b/mm/page_ext.c > index 88ccc044b09a..24cf8abefc8d 100644 > --- a/mm/page_ext.c > +++ b/mm/page_ext.c > @@ -409,6 +409,7 @@ void __init page_ext_init(void) > continue; > if (init_section_page_ext(pfn, nid)) > goto oom; > + cond_resched(); > } > } > hotplug_memory_notifier(page_ext_callback, 0); > -- > 2.13.2 -- 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>