From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx144.postini.com [74.125.245.144]) by kanga.kvack.org (Postfix) with SMTP id 401696B0070 for ; Tue, 3 Jul 2012 01:55:41 -0400 (EDT) Received: from m4.gw.fujitsu.co.jp (unknown [10.0.50.74]) by fgwmail6.fujitsu.co.jp (Postfix) with ESMTP id 65C143EE0B5 for ; Tue, 3 Jul 2012 14:55:39 +0900 (JST) Received: from smail (m4 [127.0.0.1]) by outgoing.m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 4C12245DE53 for ; Tue, 3 Jul 2012 14:55:39 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (s4.gw.fujitsu.co.jp [10.0.50.94]) by m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 3350E45DE51 for ; Tue, 3 Jul 2012 14:55:39 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id 2488E1DB8041 for ; Tue, 3 Jul 2012 14:55:39 +0900 (JST) Received: from g01jpexchyt10.g01.fujitsu.local (g01jpexchyt10.g01.fujitsu.local [10.128.194.49]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id C975C1DB803F for ; Tue, 3 Jul 2012 14:55:38 +0900 (JST) Message-ID: <4FF2894A.7020303@jp.fujitsu.com> Date: Tue, 3 Jul 2012 14:55:22 +0900 From: Yasuaki Ishimatsu MIME-Version: 1.0 Subject: [RFC PATCH v2 3/13] unify argument of firmware_map_add_early/hotplug References: <4FF287C3.4030901@jp.fujitsu.com> In-Reply-To: <4FF287C3.4030901@jp.fujitsu.com> Content-Type: text/plain; charset="ISO-2022-JP" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-acpi@vger.kernel.org Cc: rientjes@google.com, liuj97@gmail.com, len.brown@intel.com, benh@kernel.crashing.org, paulus@samba.org, cl@linux.com, minchan.kim@gmail.com, akpm@linux-foundation.org, kosaki.motohiro@jp.fujitsu.com There are two ways to create /sys/firmware/memmap/X sysfs: - firmware_map_add_early When the system starts, it is calledd from e820_reserve_resources() - firmware_map_add_hotplug When the memory is hot plugged, it is called from add_memory() But these functions are called without unifying value of end argument as below: - end argument of firmware_map_add_early() : start + size - 1 - end argument of firmware_map_add_hogplug() : start + size The patch unifies them to "start + size - 1". CC: David Rientjes CC: Jiang Liu CC: Len Brown CC: Benjamin Herrenschmidt CC: Paul Mackerras CC: Christoph Lameter Cc: Minchan Kim CC: Andrew Morton CC: KOSAKI Motohiro Signed-off-by: Yasuaki Ishimatsu --- mm/memory_hotplug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: linux-3.5-rc4/mm/memory_hotplug.c =================================================================== --- linux-3.5-rc4.orig/mm/memory_hotplug.c 2012-07-03 14:21:58.332264022 +0900 +++ linux-3.5-rc4/mm/memory_hotplug.c 2012-07-03 14:22:00.190240794 +0900 @@ -642,7 +642,7 @@ int __ref add_memory(int nid, u64 start, } /* create new memmap entry */ - firmware_map_add_hotplug(start, start + size, "System RAM"); + firmware_map_add_hotplug(start, start + size - 1, "System RAM"); goto out; -- 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