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Message-ID: <YQOsdO+qfeRkoucZ@dhcp22.suse.cz>
Date:   Fri, 30 Jul 2021 09:38:28 +0200
From:   Michal Hocko <mhocko@...e.com>
To:     Feng Tang <feng.tang@...el.com>
Cc:     linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
        David Rientjes <rientjes@...gle.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Ben Widawsky <ben.widawsky@...el.com>,
        linux-kernel@...r.kernel.org, linux-api@...r.kernel.org,
        Andrea Arcangeli <aarcange@...hat.com>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Andi Kleen <ak@...ux.intel.com>,
        Dan Williams <dan.j.williams@...el.com>, ying.huang@...el.com,
        Dave Hansen <dave.hansen@...ux.intel.com>
Subject: Re: [PATCH v6 1/6] mm/mempolicy: Add MPOL_PREFERRED_MANY for
 multiple preferred nodes

On Fri 30-07-21 15:18:40, Feng Tang wrote:
[...]
> And for the mempolicy_slab_node(), it seems to be a little different,
> and we may need to reuse its logic for 'bind' policy, which is similar
> to what we've discussed, pick a nearest node to the local node. And
> similar for mpol_misplaced(). Thoughts?

I have to admit, I haven't looked closer to what slab does. I am not
familiar with internals and would have to study it some more. Maybe slab
maintainers have an idea.
-- 
Michal Hocko
SUSE Labs

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