linux-kernel - [RFC PATCH v2, part4 15/39] mm/cris: prepare for removing num_physpages and simplify mem

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Date:	Sun, 24 Mar 2013 15:24:48 +0800
From:	Jiang Liu <liuj97@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	David Rientjes <rientjes@...gle.com>
Cc:	Jiang Liu <jiang.liu@...wei.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>,
	Jianguo Wu <wujianguo@...wei.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Mikael Starvik <starvik@...s.com>,
	Jesper Nilsson <jesper.nilsson@...s.com>,
	linux-cris-kernel@...s.com
Subject: [RFC PATCH v2, part4 15/39] mm/cris: prepare for removing num_physpages and simplify mem_init()

Prepare for removing num_physpages and simplify mem_init().

Signed-off-by: Jiang Liu <jiang.liu@...wei.com>
Cc: Mikael Starvik <starvik@...s.com>
Cc: Jesper Nilsson <jesper.nilsson@...s.com>
Cc: linux-cris-kernel@...s.com
Cc: linux-kernel@...r.kernel.org
---
 arch/cris/mm/init.c |   33 ++-------------------------------
 1 file changed, 2 insertions(+), 31 deletions(-)

diff --git a/arch/cris/mm/init.c b/arch/cris/mm/init.c
index 52b8b56..c81af5b 100644
--- a/arch/cris/mm/init.c
+++ b/arch/cris/mm/init.c
@@ -19,9 +19,6 @@ unsigned long empty_zero_page;
 void __init
 mem_init(void)
 {
-	int codesize, reservedpages, datasize, initsize;
-	unsigned long tmp;
-
 	BUG_ON(!mem_map);
 
 	/* max/min_low_pfn was set by setup.c
@@ -29,35 +26,9 @@ mem_init(void)
 	 *
 	 * high_memory was also set in setup.c
 	 */
-
-	max_mapnr = num_physpages = max_low_pfn - min_low_pfn;
- 
-	/* this will put all memory onto the freelists */
+	max_mapnr = max_low_pfn - min_low_pfn;
         free_all_bootmem();
-
-	reservedpages = 0;
-	for (tmp = 0; tmp < max_mapnr; tmp++) {
-		/*
-                 * Only count reserved RAM pages
-                 */
-		if (PageReserved(mem_map + tmp))
-			reservedpages++;
-	}
-
-	codesize =  (unsigned long) &_etext - (unsigned long) &_stext;
-        datasize =  (unsigned long) &_edata - (unsigned long) &_etext;
-        initsize =  (unsigned long) &__init_end - (unsigned long) &__init_begin;
-	
-        printk(KERN_INFO
-               "Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, "
-	       "%dk init)\n" ,
-	       nr_free_pages() << (PAGE_SHIFT-10),
-	       max_mapnr << (PAGE_SHIFT-10),
-	       codesize >> 10,
-	       reservedpages << (PAGE_SHIFT-10),
-	       datasize >> 10,
-	       initsize >> 10
-               );
+	mem_init_print_info(NULL);
 }
 
 /* free the pages occupied by initialization code */
-- 
1.7.9.5

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