linux-kernel - Re: mmotm 2009-09-03-16-35 uploaded

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Date:	Wed, 9 Sep 2009 10:31:02 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	Mel Gorman <mel@....ul.ie>
Subject: Re: mmotm 2009-09-03-16-35 uploaded

On Wed, 9 Sep 2009 10:14:46 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> wrote:

> On Wed,  9 Sep 2009 09:49:15 +0900 (JST)
> KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> wrote:
> 
> > Hi
> > 
> > This release doesn't boot on my ia64 test box.
> > After following two patches reverted, booting was successful.
> > 
> > 	page-allocator-change-migratetype-for-all-pageblocks-within-a-high-order-page-during-__rmqueue_fallback.patch 
> > 	Kamezawa-san's kcore patch series
> > 
> > 
> > Mel, Kamezawa-san, Can you please gime me any advise?
> > 
> > 
> 
> Kosaki-san, could you give me your .config ?
> 
Hmm, how about this ?

==
This is a fix for walk-system-ram-range.patch

resource->name can be NULL. (It seems bad but by reading other
codes, this is possible.)

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
---
 kernel/resource.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: mmotm-2.6.31-Sep3/kernel/resource.c
===================================================================
--- mmotm-2.6.31-Sep3.orig/kernel/resource.c
+++ mmotm-2.6.31-Sep3/kernel/resource.c
@@ -255,7 +255,7 @@ static int find_next_system_ram(struct r
 		/* system ram is just marked as IORESOURCE_MEM */
 		if (p->flags != res->flags)
 			continue;
-		if (name && strcmp(p->name, name))
+		if (name && (!p->name || strcmp(name, p->name)))
 			continue;
 		if (p->start > end) {
 			p = NULL;

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