Re: [PATCH v4 4/6] mm: change folio_lock_or_retry to use vm_fault directly

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To: Suren Baghdasaryan <surenb@xxxxxxxxxx>
Subject: Re: [PATCH v4 4/6] mm: change folio_lock_or_retry to use vm_fault directly
From: Peter Xu <peterx@xxxxxxxxxx>
Date: Wed, 28 Jun 2023 09:42:11 -0400
Cc: akpm@xxxxxxxxxxxxxxxxxxxx, willy@xxxxxxxxxxxxx, 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, hdanton@xxxxxxxx, apopple@xxxxxxxxxx, ying.huang@xxxxxxxxx, david@xxxxxxxxxx, yuzhao@xxxxxxxxxx, dhowells@xxxxxxxxxx, hughd@xxxxxxxxxx, viro@xxxxxxxxxxxxxxxxxx, brauner@xxxxxxxxxx, pasha.tatashin@xxxxxxxxxx, linux-mm@xxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, kernel-team@xxxxxxxxxxx
In-reply-to: <20230628071800.544800-5-surenb@google.com>
References: <20230628071800.544800-1-surenb@google.com> <20230628071800.544800-5-surenb@google.com>

On Wed, Jun 28, 2023 at 12:17:58AM -0700, Suren Baghdasaryan wrote:
> Change folio_lock_or_retry to accept vm_fault struct and return the
> vm_fault_t directly.
> 
> Suggested-by: Matthew Wilcox <willy@xxxxxxxxxxxxx>
> Signed-off-by: Suren Baghdasaryan <surenb@xxxxxxxxxx>

Acked-by: Peter Xu <peterx@xxxxxxxxxx>

-- 
Peter Xu

References:
- [PATCH v4 0/6] Per-VMA lock support for swap and userfaults
  - From: Suren Baghdasaryan
- [PATCH v4 4/6] mm: change folio_lock_or_retry to use vm_fault directly
  - From: Suren Baghdasaryan

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