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From: Matthew Wilcox <willy@infradead.org>
To: Chris Goldsworthy <cgoldswo@codeaurora.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Minchan Kim <minchan@kernel.org>,
	linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [RFC] mm: fs: Invalidate BH LRU during page migration
Date: Thu, 4 Feb 2021 00:34:26 +0000	[thread overview]
Message-ID: <20210204003426.GC308988@casper.infradead.org> (raw)
In-Reply-To: <695193a165bf538f35de84334b4da2cc3544abe0.1612248395.git.cgoldswo@codeaurora.org>

On Mon, Feb 01, 2021 at 10:55:47PM -0800, Chris Goldsworthy wrote:
> @@ -1289,6 +1289,8 @@ static inline void check_irqs_on(void)
>  #endif
>  }
>  
> +bool bh_migration_done = true;

What protects this global variable?  Or is there some subtle reason it
doesn't need protection, in which case, please put that in a comment.



      parent reply	other threads:[~2021-02-04  0:34 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-02  6:55 [RFC] Invalidate BH LRU during page migration Chris Goldsworthy
2021-02-02  6:55 ` [PATCH] [RFC] mm: fs: " Chris Goldsworthy
2021-02-02 20:06   ` Andrew Morton
2021-02-03 23:39   ` Minchan Kim
2021-02-04  0:34   ` Matthew Wilcox [this message]

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