From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f69.google.com (mail-pa0-f69.google.com [209.85.220.69]) by kanga.kvack.org (Postfix) with ESMTP id C60806B0038 for ; Thu, 8 Sep 2016 01:49:12 -0400 (EDT) Received: by mail-pa0-f69.google.com with SMTP id hi6so80918633pac.0 for ; Wed, 07 Sep 2016 22:49:12 -0700 (PDT) Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com. [148.163.156.1]) by mx.google.com with ESMTPS id qp8si45252851pac.89.2016.09.07.22.49.11 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 07 Sep 2016 22:49:12 -0700 (PDT) Received: from pps.filterd (m0098394.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id u885lWxI077162 for ; Thu, 8 Sep 2016 01:49:11 -0400 Received: from e28smtp09.in.ibm.com (e28smtp09.in.ibm.com [125.16.236.9]) by mx0a-001b2d01.pphosted.com with ESMTP id 25axf7ytwe-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Thu, 08 Sep 2016 01:49:11 -0400 Received: from localhost by e28smtp09.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 8 Sep 2016 11:19:08 +0530 Received: from d28relay01.in.ibm.com (d28relay01.in.ibm.com [9.184.220.58]) by d28dlp02.in.ibm.com (Postfix) with ESMTP id AD3403940060 for ; Thu, 8 Sep 2016 11:19:05 +0530 (IST) Received: from d28av04.in.ibm.com (d28av04.in.ibm.com [9.184.220.66]) by d28relay01.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u885n5k635258388 for ; Thu, 8 Sep 2016 11:19:05 +0530 Received: from d28av04.in.ibm.com (localhost [127.0.0.1]) by d28av04.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u885n3dW016930 for ; Thu, 8 Sep 2016 11:19:05 +0530 Date: Thu, 08 Sep 2016 11:19:02 +0530 From: Anshuman Khandual MIME-Version: 1.0 Subject: Re: [PATCH -v3 04/10] mm, THP, swap: Add swap cluster allocate/free functions References: <1473266769-2155-1-git-send-email-ying.huang@intel.com> <1473266769-2155-5-git-send-email-ying.huang@intel.com> In-Reply-To: <1473266769-2155-5-git-send-email-ying.huang@intel.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Message-Id: <57D0FBCE.50706@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: "Huang, Ying" , Andrew Morton Cc: tim.c.chen@intel.com, dave.hansen@intel.com, andi.kleen@intel.com, aaron.lu@intel.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrea Arcangeli , "Kirill A . Shutemov" , Hugh Dickins , Shaohua Li , Minchan Kim , Rik van Riel On 09/07/2016 10:16 PM, Huang, Ying wrote: > From: Huang Ying > > The swap cluster allocation/free functions are added based on the > existing swap cluster management mechanism for SSD. These functions > don't work for the rotating hard disks because the existing swap cluster > management mechanism doesn't work for them. The hard disks support may > be added if someone really need it. But that needn't be included in > this patchset. > > This will be used for the THP (Transparent Huge Page) swap support. > Where one swap cluster will hold the contents of each THP swapped out. Which tree this series is based against ? This patch does not apply on the mainline kernel today. -- 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