linux-kernel - Re: [RFC] autonuma: Migrate on fault among multiple bound nodes

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Message-ID: <91cfda06-0286-cb36-01fb-23cf28facee4@redhat.com>
Date:   Wed, 16 Sep 2020 17:29:41 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Qian Cai <cai@...hat.com>, Huang Ying <ying.huang@...el.com>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Ingo Molnar <mingo@...hat.com>, Mel Gorman <mgorman@...e.de>,
        Johannes Weiner <hannes@...xchg.org>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        Dave Hansen <dave.hansen@...el.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Michal Hocko <mhocko@...e.com>,
        David Rientjes <rientjes@...gle.com>
Subject: Re: [RFC] autonuma: Migrate on fault among multiple bound nodes

On 16.09.20 15:39, Qian Cai wrote:
> On Wed, 2020-09-16 at 08:59 +0800, Huang Ying wrote:
>>  static int apply_policy_zone(struct mempolicy *policy, enum zone_type zone)
>> @@ -2474,11 +2481,13 @@ int mpol_misplaced(struct page *page, struct
>> vm_area_struct *vma, unsigned long
>>  	int thisnid = cpu_to_node(thiscpu);
>>  	int polnid = NUMA_NO_NODE;
>>  	int ret = -1;
>> +	bool moron;
> 
> Are you really going to use that name those days?
> 
> 

include/uapi/linux/mempolicy.h:#define MPOL_F_MORON     (1 << 4) /*
Migrate On protnone Reference On Node */

Not commenting the decision for that name. It's uapi ... and naming the
variable like the uapi flag seems to be a sane thing to do ... hmmm ...

-- 
Thanks,

David / dhildenb