Re: [RFC 1/2] mm: disable LRU pagevec during the migration temporarily

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To: Minchan Kim <minchan@xxxxxxxxxx>
Subject: Re: [RFC 1/2] mm: disable LRU pagevec during the migration temporarily
From: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Date: Wed, 17 Feb 2021 21:11:43 +0000
Cc: Michal Hocko <mhocko@xxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, linux-mm <linux-mm@xxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, cgoldswo@xxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, david@xxxxxxxxxx, vbabka@xxxxxxx, viro@xxxxxxxxxxxxxxxxxx, joaodias@xxxxxxxxxx
In-reply-to: <YC2BzdHxF0xEdNxH@google.com>

On Wed, Feb 17, 2021 at 12:51:25PM -0800, Minchan Kim wrote:
> I'd like to avoid atomic operation if we could.

Why do you think that the spinlock is better?

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  - From: Minchan Kim
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- Re: [RFC 1/2] mm: disable LRU pagevec during the migration temporarily
  - From: Michal Hocko
- Re: [RFC 1/2] mm: disable LRU pagevec during the migration temporarily
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