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Date:   Sat, 1 Aug 2020 12:39:33 +0200
From:   Greg KH <gregkh@linuxfoundation.org>
To:     SeongJae Park <sjpark@amazon.com>
Cc:     sashal@kernel.org, stable@vger.kernel.org,
        Andrew Morton <akpm@linux-foundation.org>, linux-mm@kvack.org,
        Josef Bacik <josef@toxicpanda.com>,
        Robert Stupp <snazy@gmx.de>, Minchan Kim <minchan@kernel.org>,
        Jan Kara <jack@suse.cz>
Subject: Re: [PATCH] mm: Don't bother dropping mmap_sem for zero size
 readahead
Message-ID: <20200801103933.GE3046974@kroah.com>
References: <20200212101356.30759-1-jack@suse.cz>
 <20200730113435.2280-1-sjpark@amazon.com>
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On Thu, Jul 30, 2020 at 01:34:35PM +0200, SeongJae Park wrote:
> Hello,
> 
> 
> The commit fixed by this patch[1] was merged in v5.1 and this patch was merged
> in the mainline in v5.7 (5c72feee3e45b40a3c96c7145ec422899d0e8964).  Thus, the
> issue affects [v5.1, v5.6].  I was also able to reproduce the issue and confirm
> the fix works on v5.4 based kernels.
> 
> However, I couldn't find this fix in neither latest stable/linux-5.4.y, nor
> stable-queue/master.  Could you please put this patch in the queue?
> 
> [1] https://lore.kernel.org/linux-mm/20200212101356.30759-1-jack@suse.cz/

Now queued up, thanks.

greg k-h