linux-kernel - Re: [PATCH v3 01/14] mm, hugetlb: unify region structure handling

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Message-ID: <1389062271.9937.1.camel@buesod1.americas.hpqcorp.net>
Date:	Mon, 06 Jan 2014 18:37:51 -0800
From:	Davidlohr Bueso <davidlohr@...com>
To:	Joonsoo Kim <iamjoonsoo.kim@....com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Rik van Riel <riel@...hat.com>, Mel Gorman <mgorman@...e.de>,
	Michal Hocko <mhocko@...e.cz>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Hugh Dickins <hughd@...gle.com>,
	Davidlohr Bueso <davidlohr.bueso@...com>,
	David Gibson <david@...son.dropbear.id.au>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Joonsoo Kim <js1304@...il.com>,
	Wanpeng Li <liwanp@...ux.vnet.ibm.com>,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Hillf Danton <dhillf@...il.com>
Subject: Re: [PATCH v3 01/14] mm, hugetlb: unify region structure handling

On Wed, 2013-12-18 at 15:53 +0900, Joonsoo Kim wrote:
> 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.
> 
> Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@...ux.vnet.ibm.com>
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@....com>

Reviewed-by: Davidlohr Bueso <davidlohr@...com>

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