linux-kernel - [PATCH 1/1] define node_*

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Message-Id: <1250840806-14232-1-git-send-email-jirislaby@gmail.com>
Date:	Fri, 21 Aug 2009 09:46:46 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	akpm@...ux-foundation.org
Cc:	Ingo Molnar <mingo@...hat.com>, "H. Peter Anvin\"" <hpa@...or.com>,
	x86@...nel.org, linux-kernel@...r.kernel.org,
	Jiri Slaby <jirislaby@...il.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: [PATCH 1/1] define node_*_pfn for non-NUMA builds

FWIW "Latest fs/proc/kcore updates" in the changelog are these
from mmotm:
> kcore-use-registerd-physmem-information.patch
> kcore-use-registerd-physmem-information-fix.patch
> kcore-use-registerd-physmem-information-checkpatch-fixes.patch

--

Latest fs/proc/kcore updates need node_end_pfn. To avoid a compiler
error:
fs/proc/kcore.c: In function ‘kcore_update_ram’:
fs/proc/kcore.c:200: error: implicit declaration of function ‘node_end_pfn’
define node_start_pfn and node_end_pfn as simple contig_page_data
accessors on !NUMA builds.

Signed-off-by: Jiri Slaby <jirislaby@...il.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
---
 include/linux/mmzone.h |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 9c50309..6789900 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -771,6 +771,9 @@ extern char numa_zonelist_order[];
 extern struct pglist_data contig_page_data;
 #define NODE_DATA(nid)		(&contig_page_data)
 #define NODE_MEM_MAP(nid)	mem_map
+#define node_start_pfn(nid)	(contig_page_data.node_start_pfn)
+#define node_end_pfn(nid)	(contig_page_data.node_start_pfn +	\
+				 contig_page_data.node_spanned_pages)
 
 #else /* CONFIG_NEED_MULTIPLE_NODES */
 
-- 
1.6.3.3

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