linux-kernel - [RFC PATCH v1 09/19] mm/PPC: prepare for killing free_all_bootmem

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Date:	Sat, 13 Apr 2013 23:36:29 +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,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Alexander Graf <agraf@...e.de>,
	"Suzuki K. Poulose" <suzuki@...ibm.com>,
	linuxppc-dev@...ts.ozlabs.org
Subject: [RFC PATCH v1 09/19] mm/PPC: 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: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Alexander Graf <agraf@...e.de>
Cc: "Suzuki K. Poulose" <suzuki@...ibm.com>
Cc: linuxppc-dev@...ts.ozlabs.org
Cc: linux-kernel@...r.kernel.org
---
 arch/powerpc/mm/mem.c |   16 +---------------
 1 file changed, 1 insertion(+), 15 deletions(-)

diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 07663de..22e46db 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -305,22 +305,8 @@ void __init mem_init(void)
 #endif
 
 	high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);
-
-#ifdef CONFIG_NEED_MULTIPLE_NODES
-	{
-		pg_data_t *pgdat;
-
-		for_each_online_pgdat(pgdat)
-			if (pgdat->node_spanned_pages != 0) {
-				printk("freeing bootmem node %d\n",
-					pgdat->node_id);
-				free_all_bootmem_node(pgdat);
-			}
-	}
-#else
-	max_mapnr = max_pfn;
+	set_max_mapnr(max_pfn);
 	free_all_bootmem();
-#endif
 
 #ifdef CONFIG_HIGHMEM
 	{
-- 
1.7.9.5

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