From: Zqiang <qiang.zhang@xxxxxxxxxxxxx> The __alloc_pages_bulk() mainly used for batch allocation of order-0 pages, in the case of holding pagesets.lock, if too many pages are required, maybe trigger hard lockup watchdog. Signed-off-by: Zqiang <qiang.zhang@xxxxxxxxxxxxx> --- mm/page_alloc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index d6e94cc8066c..1127db25507f 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5315,6 +5315,8 @@ unsigned long __alloc_pages_bulk(gfp_t gfp, int preferred_nid, else page_array[nr_populated] = page; nr_populated++; + + touch_nmi_watchdog(); } local_unlock_irqrestore(&pagesets.lock, flags); -- 2.25.1
