Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933562Ab3DJWNn (ORCPT ); Wed, 10 Apr 2013 18:13:43 -0400 Received: from mail-pb0-f45.google.com ([209.85.160.45]:42306 "EHLO mail-pb0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752091Ab3DJWNm (ORCPT ); Wed, 10 Apr 2013 18:13:42 -0400 Date: Wed, 10 Apr 2013 15:13:39 -0700 (PDT) From: David Rientjes X-X-Sender: rientjes@chino.kir.corp.google.com To: Toshi Kani cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linuxram@us.ibm.com, guz.fnst@cn.fujitsu.com, tmac@hp.com, isimatu.yasuaki@jp.fujitsu.com, wency@cn.fujitsu.com, tangchen@cn.fujitsu.com, jiang.liu@huawei.com Subject: Re: [PATCH v3 3/3] mm: Change __remove_pages() to call release_mem_region_adjustable() In-Reply-To: <1365614221-685-4-git-send-email-toshi.kani@hp.com> Message-ID: References: <1365614221-685-1-git-send-email-toshi.kani@hp.com> <1365614221-685-4-git-send-email-toshi.kani@hp.com> User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1156 Lines: 25 On Wed, 10 Apr 2013, Toshi Kani wrote: > Changed __remove_pages() to call release_mem_region_adjustable(). > This allows a requested memory range to be released from > the iomem_resource table even if it does not match exactly to > an resource entry but still fits into. The resource entries > initialized at bootup usually cover the whole contiguous > memory ranges and may not necessarily match with the size of > memory hot-delete requests. > > If release_mem_region_adjustable() failed, __remove_pages() emits > a warning message and continues to proceed as it was the case > with release_mem_region(). release_mem_region(), which is defined > to __release_region(), emits a warning message and returns no error > since a void function. > > Signed-off-by: Toshi Kani > Reviewed-by : Yasuaki Ishimatsu Acked-by: David Rientjes -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/