From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f53.google.com (mail-pa0-f53.google.com [209.85.220.53]) by kanga.kvack.org (Postfix) with ESMTP id B402B90008B for ; Wed, 29 Oct 2014 21:06:21 -0400 (EDT) Received: by mail-pa0-f53.google.com with SMTP id kx10so4315229pab.12 for ; Wed, 29 Oct 2014 18:06:21 -0700 (PDT) Received: from mail.tuxags.com (hydra.tuxags.com. [64.13.172.54]) by mx.google.com with ESMTP id fb4si5302502pab.69.2014.10.29.18.06.20 for ; Wed, 29 Oct 2014 18:06:20 -0700 (PDT) Date: Wed, 29 Oct 2014 18:06:19 -0700 From: Matt Mullins Subject: Re: [PATCH] mm/balloon_compaction: fix deflation when compaction is disabled Message-ID: <20141030010618.GE29098@hydra.tuxags.com> References: <20141028202333.GC29098@hydra.tuxags.com> <20141029115107.23071.26065.stgit@buzz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20141029115107.23071.26065.stgit@buzz> Sender: owner-linux-mm@kvack.org List-ID: To: Konstantin Khlebnikov Cc: linux-mm@kvack.org, Andrew Morton , Matt Mullins , linux-kernel@vger.kernel.org, Rafael Aquini , Sasha Levin , stable@vger.kernel.org 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 > Reported-by: Matt Mullins > Cc: Stable (v3.17) That seems to do it, thanks! Tested-by: Matt Mullins -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org