From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anshuman Khandual Subject: Re: [PATCH -v3 03/10] mm, memcg: Support to charge/uncharge multiple swap entries Date: Thu, 08 Sep 2016 11:16:25 +0530 Message-ID: <57D0FB31.7010605@linux.vnet.ibm.com> References: <1473266769-2155-1-git-send-email-ying.huang@intel.com> <1473266769-2155-4-git-send-email-ying.huang@intel.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1473266769-2155-4-git-send-email-ying.huang@intel.com> Sender: owner-linux-mm@kvack.org List-ID: Content-Type: text/plain; charset="us-ascii" 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" , Vladimir Davydov , Johannes Weiner , Michal Hocko , Tejun Heo , cgroups@vger.kernel.org On 09/07/2016 10:16 PM, Huang, Ying wrote: > From: Huang Ying > > This patch make it possible to charge or uncharge a set of continuous > swap entries in the swap cgroup. The number of swap entries is > specified via an added parameter. > > This will be used for the THP (Transparent Huge Page) swap support. > Where a swap cluster backing a THP may be allocated and freed as a > whole. So a set of continuous swap entries (512 on x86_64) backing one Please use HPAGE_SIZE / PAGE_SIZE instead of hard coded number like 512. -- 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