linux-kernel - Re: [PATCH V1 0/1] sched/numa: Fix mm numa_scan

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Message-ID: <b7704b2a-29ab-b538-5b95-d72cc3993eb2@amd.com>
Date:   Fri, 27 Oct 2023 10:54:47 +0530
From:   Raghavendra K T <raghavendra.kt@....com>
To:     linux-kernel@...r.kernel.org, linux-mm@...ck.org
Cc:     Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Mel Gorman <mgorman@...e.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        David Hildenbrand <david@...hat.com>, rppt@...nel.org,
        Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Bharata B Rao <bharata@....com>,
        Aithal Srikanth <sraithal@....com>,
        kernel test robot <oliver.sang@...el.com>,
        Sapkal Swapnil <Swapnil.Sapkal@....com>,
        K Prateek Nayak <kprateek.nayak@....com>
Subject: Re: [PATCH V1 0/1] sched/numa: Fix mm numa_scan_seq based
 unconditional scan

On 10/20/2023 9:27 PM, Raghavendra K T wrote:
> NUMA balancing code that updates PTEs by allowing unconditional scan
> based on the value of processes' mm numa_scan_seq is not perfect.
> 
> More description is in patch1.
> 
> Have used the below patch to identify the corner case.
> 
> Detailed Result: (Only part of the result is updated
> in patch1 to save space in commit log)
> 

Gentle ping to check if there are any concerns / comments
on the patch :)

Thanks and Regards
- Raghu