linux-kernel - Re: [PATCH v2 1/1] mm: do not increment pgfault stats when page fault handler retries

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Message-ID: <ZD8p3+XyvCiq9RJW@x1n>
Date:   Tue, 18 Apr 2023 19:38:07 -0400
From:   Peter Xu <peterx@...hat.com>
To:     Suren Baghdasaryan <surenb@...gle.com>
Cc:     Matthew Wilcox <willy@...radead.org>, akpm@...ux-foundation.org,
        hannes@...xchg.org, mhocko@...e.com, josef@...icpanda.com,
        jack@...e.cz, ldufour@...ux.ibm.com, laurent.dufour@...ibm.com,
        michel@...pinasse.org, liam.howlett@...cle.com, jglisse@...gle.com,
        vbabka@...e.cz, minchan@...gle.com, dave@...olabs.net,
        punit.agrawal@...edance.com, lstoakes@...il.com,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        kernel-team@...roid.com
Subject: Re: [PATCH v2 1/1] mm: do not increment pgfault stats when page
 fault handler retries

On Tue, Apr 18, 2023 at 03:58:26PM -0700, Suren Baghdasaryan wrote:
> Sure. How about replacing my prior "Register both successful and
> failed faults in PGFAULT counters." comment with "To preserve the
> behavior of older kernels, PGFAULT counters record both successful and
> failed faults, as opposed to perf counters which ignore failed cases"

Looks good here, thanks!

-- 
Peter Xu