From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx202.postini.com [74.125.245.202]) by kanga.kvack.org (Postfix) with SMTP id 635B26B0033 for ; Thu, 22 Aug 2013 02:56:06 -0400 (EDT) Date: Thu, 22 Aug 2013 15:56:13 +0900 From: Joonsoo Kim Subject: Re: [PATCH v2 07/20] mm, hugetlb: unify region structure handling Message-ID: <20130822065613.GD13415@lge.com> References: <1376040398-11212-1-git-send-email-iamjoonsoo.kim@lge.com> <1376040398-11212-8-git-send-email-iamjoonsoo.kim@lge.com> <87k3jfgyct.fsf@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87k3jfgyct.fsf@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: "Aneesh Kumar K.V" Cc: Andrew Morton , Rik van Riel , Mel Gorman , Michal Hocko , KAMEZAWA Hiroyuki , Hugh Dickins , Davidlohr Bueso , David Gibson , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Wanpeng Li , Naoya Horiguchi , Hillf Danton On Wed, Aug 21, 2013 at 03:27:38PM +0530, Aneesh Kumar K.V wrote: > Joonsoo Kim writes: > > > Currently, to track a reserved and allocated region, we use two different > > ways for MAP_SHARED and MAP_PRIVATE. For MAP_SHARED, we use > > address_mapping's private_list and, for MAP_PRIVATE, we use a resv_map. > > Now, we are preparing to change a coarse grained lock which protect > > a region structure to fine grained lock, and this difference hinder it. > > So, before changing it, unify region structure handling. > > > > Signed-off-by: Joonsoo Kim > > As mentioned earlier kref_put is confusing because we always have > reference count == 1 , otherwise Okay. In that case, I will use release function directly. > > Reviewed-by: Aneesh Kumar K.V Thanks! -- 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