From: Matt Mullins <mmullins@mmlx.us>
To: Konstantin Khlebnikov <k.khlebnikov@samsung.com>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
Matt Mullins <mmullins@mmlx.us>,
linux-kernel@vger.kernel.org, Rafael Aquini <aquini@redhat.com>,
Sasha Levin <sasha.levin@oracle.com>,
stable@vger.kernel.org
Subject: Re: [PATCH] mm/balloon_compaction: fix deflation when compaction is disabled
Date: Wed, 29 Oct 2014 18:06:19 -0700 [thread overview]
Message-ID: <20141030010618.GE29098@hydra.tuxags.com> (raw)
In-Reply-To: <20141029115107.23071.26065.stgit@buzz>
On Wed, Oct 29, 2014 at 02:51:07PM +0400, Konstantin Khlebnikov wrote:
> Fix for commit d6d86c0a7f8ddc5b38cf089222cb1d9540762dc2
> ("mm/balloon_compaction: redesign ballooned pages management").
>
> If CONFIG_BALLOON_COMPACTION=n balloon_page_insert() does not link
> pages with balloon and doesn't set PagePrivate flag, as a result
> balloon_page_dequeue cannot get any pages because it thinks that
> all of them are isolated. Without balloon compaction nobody can
> isolate ballooned pages, it's safe to remove this check.
>
> Signed-off-by: Konstantin Khlebnikov <k.khlebnikov@samsung.com>
> Reported-by: Matt Mullins <mmullins@mmlx.us>
> Cc: Stable <stable@vger.kernel.org> (v3.17)
That seems to do it, thanks!
Tested-by: Matt Mullins <mmullins@mmlx.us>
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next prev parent reply other threads:[~2014-10-30 1:06 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-27 19:15 [PATCH v3 0/4] mm/balloon_compaction: fixes and cleanups Konstantin Khlebnikov
2014-09-27 19:15 ` [PATCH v3 1/4] mm/balloon_compaction: redesign ballooned pages management Konstantin Khlebnikov
2014-10-28 18:47 ` Matt Mullins
2014-10-28 19:56 ` Konstantin Khlebnikov
2014-10-28 20:23 ` Matt Mullins
2014-10-29 10:51 ` [PATCH] mm/balloon_compaction: fix deflation when compaction is disabled Konstantin Khlebnikov
2014-10-30 1:06 ` Matt Mullins [this message]
2014-09-27 19:15 ` [PATCH v3 2/4] mm/balloon_compaction: remove balloon mapping and flag AS_BALLOON_MAP Konstantin Khlebnikov
2014-09-27 19:15 ` [PATCH v3 3/4] mm/balloon_compaction: add vmstat counters and kpageflags bit Konstantin Khlebnikov
2014-09-27 19:15 ` [PATCH v3 4/4] selftests/vm/transhuge-stress: stress test for memory compaction Konstantin Khlebnikov
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