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Message-ID: <20221201213202.ycdaymwojd5plyrk@google.com>
Date:   Thu, 1 Dec 2022 21:32:02 +0000
From:   Shakeel Butt <shakeelb@...gle.com>
To:     Mina Almasry <almasrymina@...gle.com>
Cc:     Huang Ying <ying.huang@...el.com>,
        Yang Shi <yang.shi@...ux.alibaba.com>,
        Yosry Ahmed <yosryahmed@...gle.com>,
        Tim Chen <tim.c.chen@...ux.intel.com>, weixugc@...gle.com,
        gthelen@...gle.com, fvdl@...gle.com, Tejun Heo <tj@...nel.org>,
        Zefan Li <lizefan.x@...edance.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Jonathan Corbet <corbet@....net>,
        Michal Hocko <mhocko@...nel.org>,
        Roman Gushchin <roman.gushchin@...ux.dev>,
        Muchun Song <songmuchun@...edance.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        cgroups@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [RFC PATCH v2] mm: Add nodes= arg to memory.reclaim

On Tue, Nov 29, 2022 at 06:03:27PM -0800, Mina Almasry wrote:
[...]
> diff --git a/mm/vmscan.c b/mm/vmscan.c
> index 7b8e8e43806b..23fc5b523764 100644
> --- a/mm/vmscan.c
> +++ b/mm/vmscan.c
> @@ -6735,7 +6735,8 @@ unsigned long mem_cgroup_shrink_node(struct mem_cgroup *memcg,
>  unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *memcg,
>  					   unsigned long nr_pages,
>  					   gfp_t gfp_mask,
> -					   unsigned int reclaim_options)
> +					   unsigned int reclaim_options,
> +					   nodemask_t nodemask)

Can you please make this parameter a nodemask_t* and pass NULL instead
of NODE_MASK_ALL?

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