linux-kernel - [PATCH, v2 10/13] mm/SH: prepare for killing free_all_bootmem

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]

Date:	Wed, 29 May 2013 22:44:49 +0800
From:	Jiang Liu <liuj97@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.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>,
	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,
	Paul Mundt <lethal@...ux-sh.org>,
	Tang Chen <tangchen@...fujitsu.com>, linux-sh@...r.kernel.org
Subject: [PATCH, v2 10/13] mm/SH: 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: Paul Mundt <lethal@...ux-sh.org>
Cc: Wen Congyang <wency@...fujitsu.com>
Cc: Tang Chen <tangchen@...fujitsu.com>
Cc: linux-sh@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
---
 arch/sh/mm/init.c | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index c9a517c..33890fd 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -412,19 +412,11 @@ void __init mem_init(void)
 	iommu_init();
 
 	high_memory = NULL;
+	for_each_online_pgdat(pgdat)
+		high_memory = max_t(void *, high_memory,
+				    __va(pgdat_end_pfn(pgdat) << PAGE_SHIFT));
 
-	for_each_online_pgdat(pgdat) {
-		void *node_high_memory;
-
-		if (pgdat->node_spanned_pages)
-			free_all_bootmem_node(pgdat);
-
-		node_high_memory = (void *)__va((pgdat->node_start_pfn +
-						 pgdat->node_spanned_pages) <<
-						 PAGE_SHIFT);
-		if (node_high_memory > high_memory)
-			high_memory = node_high_memory;
-	}
+	free_all_bootmem();
 
 	/* Set this up early, so we can take care of the zero page */
 	cpu_cache_init();
-- 
1.8.1.2

--
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/