If the array passed in is already partially populated, we should return "nr_populated" even failing at preparing arguments stage. Signed-off-by: Yanfei Xu <yanfei.xu@xxxxxxxxxxxxx> --- mm/page_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index d6e94cc8066c..e9fd57ca4c1c 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5254,7 +5254,7 @@ unsigned long __alloc_pages_bulk(gfp_t gfp, int preferred_nid, gfp &= gfp_allowed_mask; alloc_gfp = gfp; if (!prepare_alloc_pages(gfp, 0, preferred_nid, nodemask, &ac, &alloc_gfp, &alloc_flags)) - return 0; + return nr_populated; gfp = alloc_gfp; /* Find an allowed local zone that meets the low watermark. */ -- 2.27.0
