diff --git a/mm/page_alloc.c b/mm/page_alloc.c index e240704b5d39..3f2291695b19 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5042,7 +5042,7 @@ unsigned long __alloc_pages_bulk(gfp_t gfp, int preferred_nid, unsigned int alloc_flags = ALLOC_WMARK_LOW; int nr_populated = 0; - if (WARN_ON_ONCE(nr_pages <= 0)) + if (unlikely(nr_pages <= 0)) return 0; /* @@ -5089,7 +5089,7 @@ unsigned long __alloc_pages_bulk(gfp_t gfp, int preferred_nid, * If there are no allowed local zones that meets the watermarks then * try to allocate a single page and reclaim if necessary. */ - if (!zone) + if (unlikely(!zone)) goto failed; /* Attempt the batch allocation */ @@ -5107,7 +5107,7 @@ unsigned long __alloc_pages_bulk(gfp_t gfp, int preferred_nid, page = __rmqueue_pcplist(zone, ac.migratetype, alloc_flags, pcp, pcp_list); - if (!page) { + if (unlikely(!page)) { /* Try and get at least one page */ if (!nr_populated) goto failed_irq;