linux-kernel - [RFC PATCH v1 04/19] mm/m32r: prepare for killing free_all_bootmem

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Date:	Sat, 13 Apr 2013 23:36:24 +0800
From:	Jiang Liu <liuj97@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Yinghai Lu <yinghai@...nel.org>
Cc:	Jiang Liu <jiang.liu@...wei.com>,
	David Rientjes <rientjes@...gle.com>,
	Wen Congyang <wency@...fujitsu.com>,
	Mel Gorman <mgorman@...e.de>, Minchan Kim <minchan@...nel.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Michal Hocko <mhocko@...e.cz>,
	David Howells <dhowells@...hat.com>,
	Mark Salter <msalter@...hat.com>,
	Jianguo Wu <wujianguo@...wei.com>, linux-mm@...ck.org,
	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
	Hirokazu Takata <takata@...ux-m32r.org>,
	linux-m32r@...linux-m32r.org, linux-m32r-ja@...linux-m32r.org
Subject: [RFC PATCH v1 04/19] mm/m32r: prepare for killing free_all_bootmem_node()

Prepare for killing free_all_bootmem_node() by using
free_all_bootmem().

Signed-off-by: Jiang Liu <jiang.liu@...wei.com>
Cc: Hirokazu Takata <takata@...ux-m32r.org>
Cc: linux-m32r@...linux-m32r.org
Cc: linux-m32r-ja@...linux-m32r.org
Cc: linux-kernel@...r.kernel.org
---
 arch/m32r/mm/init.c |   17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/arch/m32r/mm/init.c b/arch/m32r/mm/init.c
index 9c94839..3113c85 100644
--- a/arch/m32r/mm/init.c
+++ b/arch/m32r/mm/init.c
@@ -111,28 +111,19 @@ void __init paging_init(void)
  *======================================================================*/
 void __init mem_init(void)
 {
-	int nid;
 #ifndef CONFIG_MMU
 	extern unsigned long memory_end;
-#endif
 
-#ifndef CONFIG_DISCONTIGMEM
-	max_mapnr = get_num_physpages();
-#endif	/* CONFIG_DISCONTIGMEM */
-
-#ifdef CONFIG_MMU
-	high_memory = (void *)__va(PFN_PHYS(MAX_LOW_PFN(0)));
-#else
 	high_memory = (void *)(memory_end & PAGE_MASK);
+#else
+	high_memory = (void *)__va(PFN_PHYS(MAX_LOW_PFN(0)));
 #endif /* CONFIG_MMU */
 
 	/* clear the zero-page */
 	memset(empty_zero_page, 0, PAGE_SIZE);
 
-	/* this will put all low memory onto the freelists */
-	for_each_online_node(nid)
-		free_all_bootmem_node(NODE_DATA(nid));
-
+	set_max_mapnr(get_num_physpages());
+	free_all_bootmem();
 	mem_init_print_info(NULL);
 }
 
-- 
1.7.9.5

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