> On Jul 13, 2021, at 10:56 AM, Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> wrote: > > On Tue, Jul 13, 2021 at 02:21:58PM +0000, Chuck Lever III wrote: >> >> >>> On Jul 13, 2021, at 9:56 AM, Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> wrote: >>> >>> From: Yanfei Xu <yanfei.xu@xxxxxxxxxxxxx> >>> >>> 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> >>> Signed-off-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> >>> Link: https://lore.kernel.org/r/20210709102855.55058-1-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 6ef86f338151..803414ce9264 100644 >>> --- a/mm/page_alloc.c >>> +++ b/mm/page_alloc.c >>> @@ -5255,7 +5255,7 @@ 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; >> >> Can you restore the hunk in patch 3/4 that changes this "return nr_populated;" >> to "goto out;" ? >> > > I fixed that up in the series I sent out. I applied this patch first > then reconciled the collision with your patch. 3/4 still needs to change this "return nr_populated;" to "goto out;" as part of the clean up. -- Chuck Lever