linux-kernel - [RFC PATCH v2, part4 30/39] mm/score: prepare for removing num_physpages and simplify mem

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Message-Id: <1364109934-7851-52-git-send-email-jiang.liu@huawei.com>
Date:	Sun, 24 Mar 2013 15:25:17 +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,
	Chen Liqin <liqin.chen@...plusct.com>,
	Lennox Wu <lennox.wu@...il.com>
Subject: [RFC PATCH v2, part4 30/39] mm/score: 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: Chen Liqin <liqin.chen@...plusct.com>
Cc: Lennox Wu <lennox.wu@...il.com>
Cc: linux-kernel@...r.kernel.org
---
 arch/score/mm/init.c |   26 ++------------------------
 1 file changed, 2 insertions(+), 24 deletions(-)

diff --git a/arch/score/mm/init.c b/arch/score/mm/init.c
index 579fc4e..2a223d8 100644
--- a/arch/score/mm/init.c
+++ b/arch/score/mm/init.c
@@ -77,33 +77,11 @@ void __init paging_init(void)
 
 void __init mem_init(void)
 {
-	unsigned long codesize, reservedpages, datasize, initsize;
-	unsigned long tmp, ram = 0;
-
 	high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);
 	free_all_bootmem();
 	setup_zero_page();	/* Setup zeroed pages. */
-	reservedpages = 0;
-
-	for (tmp = 0; tmp < max_low_pfn; tmp++)
-		if (page_is_ram(tmp)) {
-			ram++;
-			if (PageReserved(pfn_to_page(tmp)))
-				reservedpages++;
-		}
-
-	num_physpages = ram;
-	codesize = (unsigned long) &_etext - (unsigned long) &_text;
-	datasize = (unsigned long) &_edata - (unsigned long) &_etext;
-	initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin;
-
-	printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, "
-			"%ldk reserved, %ldk data, %ldk init, %ldk highmem)\n",
-			(unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
-			ram << (PAGE_SHIFT-10), codesize >> 10,
-			reservedpages << (PAGE_SHIFT-10), datasize >> 10,
-			initsize >> 10,
-			totalhigh_pages << (PAGE_SHIFT-10));
+
+	mem_init_print_info(NULL);
 }
 #endif /* !CONFIG_NEED_MULTIPLE_NODES */
 
-- 
1.7.9.5

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