From: Mel Gorman <mgorman@techsingularity.net>
To: Qian Cai <cai@lca.pw>
Cc: akpm@linux-foundation.org, vbabka@suse.cz, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH -next] mm/compaction: no stuck in __reset_isolation_pfn()
Date: Wed, 6 Feb 2019 08:51:58 +0000 [thread overview]
Message-ID: <20190206085158.GM9565@techsingularity.net> (raw)
In-Reply-To: <20190206034732.75687-1-cai@lca.pw>
On Tue, Feb 05, 2019 at 10:47:32PM -0500, Qian Cai wrote:
> The commit c68d77911c23 ("mm, compaction: be selective about what
> pageblocks to clear skip hints") introduced an infinite loop if a pfn is
> invalid, it will loop again without increasing page counters. It can be
> reproduced by running LTP tests on an arm64 server.
>
That was careless of me but the patch looks
correct. Andrew, this is a fix to the mmotm patch
mm-compaction-be-selective-about-what-pageblocks-to-clear-skip-hints.patch
Acked-by: Mel Gorman <mgorman@techsingularity.net>
Thanks Qian!
--
Mel Gorman
SUSE Labs
prev parent reply other threads:[~2019-02-06 8:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-06 3:47 [PATCH -next] mm/compaction: no stuck in __reset_isolation_pfn() Qian Cai
2019-02-06 8:51 ` Mel Gorman [this message]
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