On Sun, Apr 10, 2022 at 12:05:37AM +0900, Jiyoup Kim wrote:
> In allocate_slab(), __GFP_NOFAIL flag is removed twice when trying
> higher-order allocation. Remove it.
>
> Signed-off-by: Jiyoup Kim <lakroforce@xxxxxxxxx>
> ---
> mm/slub.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/slub.c b/mm/slub.c
> index 74d92aa4a3a2..a0e605ab3036 100644
> --- a/mm/slub.c
> +++ b/mm/slub.c
> @@ -1939,7 +1939,7 @@ static struct slab *allocate_slab(struct kmem_cache *s, gfp_t flags, int node)
> */
> alloc_gfp = (flags | __GFP_NOWARN | __GFP_NORETRY) & ~__GFP_NOFAIL;
> if ((alloc_gfp & __GFP_DIRECT_RECLAIM) && oo_order(oo) > oo_order(s->min))
> - alloc_gfp = (alloc_gfp | __GFP_NOMEMALLOC) & ~(__GFP_RECLAIM|__GFP_NOFAIL);
> + alloc_gfp = (alloc_gfp | __GFP_NOMEMALLOC) & ~__GFP_RECLAIM;
>
> slab = alloc_slab_page(alloc_gfp, node, oo);
> if (unlikely(!slab)) {
Looks good to me.
Reviewed-by: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>
Thanks!
> --
> 2.25.1
>
>
--
Thanks,
Hyeonggon
