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x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=gmail.com header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932261AbeBLC2H (ORCPT ); Sun, 11 Feb 2018 21:28:07 -0500 Received: from mail-pg0-f67.google.com ([74.125.83.67]:42124 "EHLO mail-pg0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932243AbeBLC2G (ORCPT ); Sun, 11 Feb 2018 21:28:06 -0500 X-Google-Smtp-Source: AH8x225dXI9AfVVx4RCM4hg5R4ykg+wXLK8Q7jN1CDc9KlisTpff/Yxho5FXZI9JHWXsOJk803Ekmw== Date: Mon, 12 Feb 2018 11:28:00 +0900 From: Sergey Senozhatsky To: Andrew Morton Cc: "Huang, Ying" , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Huang Ying , Konrad Rzeszutek Wilk , Dan Streetman , Seth Jennings , Tetsuo Handa , Shaohua Li , Michal Hocko , Johannes Weiner , Mel Gorman , Shakeel Butt , Boris Ostrovsky , Juergen Gross , stable@vger.kernel.org, Sergey Senozhatsky , Minchan Kim Subject: Re: [PATCH -mm -v3] mm, swap, frontswap: Fix THP swap if frontswap enabled Message-ID: <20180212022800.GA458@jagdpanzerIV> References: <20180209084947.22749-1-ying.huang@intel.com> <20180209130339.e91c8709e9c46e5b3f941a29@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180209130339.e91c8709e9c46e5b3f941a29@linux-foundation.org> User-Agent: Mutt/1.9.3 (2018-01-21) Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: Hello, On (02/09/18 13:03), Andrew Morton wrote: [..] > > Frontswap has multiple backends, to make it easy for one backend to > > enable THP support, the THP checking is put in backend frontswap store > > functions instead of the general interfaces. > > > > Fixes: bd4c82c22c367e068 ("mm, THP, swap: delay splitting THP after swapped out") > > Reported-by: Sergey Senozhatsky > > Tested-by: Sergey Senozhatsky > > I don't think Sergey has tested this version and I suspect this is a > holdover from the earlier patch, so I'll remove this line. Just tested it (v3) with FRONTSWAP enabled (didn't test XEN tmem). Works fine. FWIW Tested-by: Sergey Senozhatsky # frontswap -ss