linux-kernel - [PATCH v3, part4 13/39] mm/AVR32: prepare for removing num_physpages and simplify mem

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1364313298-17336-14-git-send-email-jiang.liu@huawei.com>
Date:	Tue, 26 Mar 2013 23:54:32 +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>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	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,
	Haavard Skinnemoen <hskinnemoen@...il.com>,
	Hans-Christian Egtvedt <egtvedt@...fundet.no>
Subject: [PATCH v3, part4 13/39] mm/AVR32: 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: Haavard Skinnemoen <hskinnemoen@...il.com>
Cc: Hans-Christian Egtvedt <egtvedt@...fundet.no>
Cc: linux-kernel@...r.kernel.org (open list)
---
Hi all,
	Sorry for my mistake that my previous patch series has been screwed up.
So I regenerate a third version and also set up a git tree at:
	git://github.com/jiangliu/linux.git mem_init
	Any help to review and test are welcomed!

	Regards!
	Gerry
---
 arch/avr32/mm/init.c |   29 ++++-------------------------
 1 file changed, 4 insertions(+), 25 deletions(-)

diff --git a/arch/avr32/mm/init.c b/arch/avr32/mm/init.c
index 7e8d55a..c1706a0 100644
--- a/arch/avr32/mm/init.c
+++ b/arch/avr32/mm/init.c
@@ -100,26 +100,16 @@ void __init paging_init(void)
 
 void __init mem_init(void)
 {
-	int codesize, reservedpages, datasize, initsize;
-	int nid, i;
+	pg_data_t *pgdat;
 
-	reservedpages = 0;
 	high_memory = NULL;
 
 	/* this will put all low memory onto the freelists */
-	for_each_online_node(nid) {
-		pg_data_t *pgdat = NODE_DATA(nid);
-		unsigned long node_pages = 0;
+	for_each_online_pgdat(pgdat) {
 		void *node_high_memory;
 
-		num_physpages += pgdat->node_present_pages;
-
 		if (pgdat->node_spanned_pages != 0)
-			node_pages = free_all_bootmem_node(pgdat);
-
-		for (i = 0; i < node_pages; i++)
-			if (PageReserved(pgdat->node_mem_map + i))
-				reservedpages++;
+			free_all_bootmem_node(pgdat);
 
 		node_high_memory = (void *)((pgdat->node_start_pfn
 					     + pgdat->node_spanned_pages)
@@ -130,18 +120,7 @@ void __init mem_init(void)
 
 	max_mapnr = MAP_NR(high_memory);
 
-	codesize = (unsigned long)_etext - (unsigned long)_text;
-	datasize = (unsigned long)_edata - (unsigned long)_data;
-	initsize = (unsigned long)__init_end - (unsigned long)__init_begin;
-
-	printk ("Memory: %luk/%luk available (%dk kernel code, "
-		"%dk reserved, %dk data, %dk init)\n",
-		nr_free_pages() << (PAGE_SHIFT - 10),
-		totalram_pages << (PAGE_SHIFT - 10),
-		codesize >> 10,
-		reservedpages << (PAGE_SHIFT - 10),
-		datasize >> 10,
-		initsize >> 10);
+	mem_init_print_info(NULL);
 }
 
 void free_initmem(void)
-- 
1.7.9.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/