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

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To: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Subject: Re: [PATCH v2 1/1] mm: do not increment pgfault stats when page fault handler retries
From: Peter Xu <peterx@xxxxxxxxxx>
Date: Tue, 18 Apr 2023 11:48:41 -0400
Cc: Suren Baghdasaryan <surenb@xxxxxxxxxx>, akpm@xxxxxxxxxxxxxxxxxxxx, hannes@xxxxxxxxxxx, mhocko@xxxxxxxx, josef@xxxxxxxxxxxxxx, jack@xxxxxxx, ldufour@xxxxxxxxxxxxx, laurent.dufour@xxxxxxxxxx, michel@xxxxxxxxxxxxxx, liam.howlett@xxxxxxxxxx, jglisse@xxxxxxxxxx, vbabka@xxxxxxx, minchan@xxxxxxxxxx, dave@xxxxxxxxxxxx, punit.agrawal@xxxxxxxxxxxxx, lstoakes@xxxxxxxxx, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, kernel-team@xxxxxxxxxxx
In-reply-to: <ZD64C3R6BzqpSfYX@casper.infradead.org>
References: <20230415000818.1955007-1-surenb@google.com> <ZD25bBPbZYSb7grA@x1n> <CAJuCfpHf06cr2d277DXQUtBto_0bVgK3ykMHLYRgZXgnot=e4w@mail.gmail.com> <ZD61DLJNilUeDCnC@x1n> <ZD64C3R6BzqpSfYX@casper.infradead.org>

On Tue, Apr 18, 2023 at 04:32:27PM +0100, Matthew Wilcox wrote:
> ... when we called clone()?  A thread by definition has a reference to
> its own mm.

Ah yes.. thanks!

-- 
Peter Xu

Follow-Ups:
- Re: [PATCH v2 1/1] mm: do not increment pgfault stats when page fault handler retries
  - From: Suren Baghdasaryan

References:
- [PATCH v2 1/1] mm: do not increment pgfault stats when page fault handler retries
  - From: Suren Baghdasaryan
- Re: [PATCH v2 1/1] mm: do not increment pgfault stats when page fault handler retries
  - From: Peter Xu
- Re: [PATCH v2 1/1] mm: do not increment pgfault stats when page fault handler retries
  - From: Suren Baghdasaryan
- Re: [PATCH v2 1/1] mm: do not increment pgfault stats when page fault handler retries
  - From: Peter Xu
- Re: [PATCH v2 1/1] mm: do not increment pgfault stats when page fault handler retries
  - From: Matthew Wilcox

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