linux-kernel - [PATCH v7, part3 05/16] mm/tile: use common help functions to free reserved pages

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Date:	Fri, 17 May 2013 23:45:07 +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,
	Chris Metcalf <cmetcalf@...era.com>
Subject: [PATCH v7, part3 05/16] mm/tile: use common help functions to free reserved pages

Use common help functions to free reserved pages.

Signed-off-by: Jiang Liu <jiang.liu@...wei.com>
Cc: Chris Metcalf <cmetcalf@...era.com>
Cc: Wen Congyang <wency@...fujitsu.com>
Cc: linux-kernel@...r.kernel.org
---
 arch/tile/mm/init.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c
index 2749515..ccfeb3f 100644
--- a/arch/tile/mm/init.c
+++ b/arch/tile/mm/init.c
@@ -720,7 +720,7 @@ static void __init init_free_pfn_range(unsigned long start, unsigned long end)
 		}
 		init_page_count(page);
 		__free_pages(page, order);
-		totalram_pages += count;
+		adjust_managed_page_count(page, count);
 
 		page += count;
 		pfn += count;
@@ -1024,16 +1024,13 @@ static void free_init_pages(char *what, unsigned long begin, unsigned long end)
 			pte_clear(&init_mm, addr, ptep);
 			continue;
 		}
-		__ClearPageReserved(page);
-		init_page_count(page);
 		if (pte_huge(*ptep))
 			BUG_ON(!kdata_huge);
 		else
 			set_pte_at(&init_mm, addr, ptep,
 				   pfn_pte(pfn, PAGE_KERNEL));
 		memset((void *)addr, POISON_FREE_INITMEM, PAGE_SIZE);
-		free_page(addr);
-		totalram_pages++;
+		free_reserved_page(page);
 	}
 	pr_info("Freeing %s: %ldk freed\n", what, (end - begin) >> 10);
 }
-- 
1.8.1.2

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