From: Jiang Liu <liuj97@gmail.com>
Date: Fri, 17 May 2013 14:45:08 +0000 (+0000)
Subject: MIPS: PowerTV: use free_reserved_area() to simplify code
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=6e7582bf35b8a5a330fd08b398ae445bac86917a;p=openwrt%2Fstaging%2Fblogic.git

MIPS: PowerTV: use free_reserved_area() to simplify code

Use common help function free_reserved_area() to simplify code.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jiang Liu <jiang.liu@huawei.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Wen Congyang <wency@cn.fujitsu.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Minchan Kim <minchan@kernel.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Jianguo Wu <wujianguo@huawei.com>
Cc: linux-mm@kvack.org
Cc: linux-arch@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/5248/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

diff --git a/arch/mips/powertv/asic/asic_devices.c b/arch/mips/powertv/asic/asic_devices.c
index d38b095fd0d0..9f64c2387808 100644
--- a/arch/mips/powertv/asic/asic_devices.c
+++ b/arch/mips/powertv/asic/asic_devices.c
@@ -529,17 +529,8 @@ EXPORT_SYMBOL(asic_resource_get);
  */
 void platform_release_memory(void *ptr, int size)
 {
-	unsigned long addr;
-	unsigned long end;
-
-	addr = ((unsigned long)ptr + (PAGE_SIZE - 1)) & PAGE_MASK;
-	end = ((unsigned long)ptr + size) & PAGE_MASK;
-
-	for (; addr < end; addr += PAGE_SIZE) {
-		ClearPageReserved(virt_to_page(__va(addr)));
-		init_page_count(virt_to_page(__va(addr)));
-		free_page((unsigned long)__va(addr));
-	}
+	free_reserved_area((unsigned long)ptr, (unsigned long)(ptr + size),
+			   -1, NULL);
 }
 EXPORT_SYMBOL(platform_release_memory);