Re: [PATCH] mm/hugetlb: Simplify the calculation of variables

From: Miaohe Lin
Date: Tue Jan 26 2021 - 12:22:36 EST


Hi:
On 2021/1/26 14:44, Jiapeng Zhong wrote:
> Fix the following coccicheck warnings:
>
> ./mm/hugetlb.c:3372:20-22: WARNING !A || A && B is equivalent to
> !A || B.
>
> Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
> Signed-off-by: Jiapeng Zhong <abaci-bugfix@xxxxxxxxxxxxxxxxx>
> ---
> mm/hugetlb.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/mm/hugetlb.c b/mm/hugetlb.c
> index cbf32d2..5e6a6e7 100644
> --- a/mm/hugetlb.c
> +++ b/mm/hugetlb.c
> @@ -3367,8 +3367,7 @@ static unsigned int allowed_mems_nr(struct hstate *h)
> mpol_allowed = policy_nodemask_current(gfp_mask);
>
> for_each_node_mask(node, cpuset_current_mems_allowed) {
> - if (!mpol_allowed ||
> - (mpol_allowed && node_isset(node, *mpol_allowed)))
> + if (!mpol_allowed || node_isset(node, *mpol_allowed))
> nr += array[node];
> }
>
>

I'm gonna do this too. :)

Reviewed-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>