linux-kernel - [PATCH v2, part1 06/29] mm/c6x: use common help functions to free reserved pages

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>] [day] [month] [year] [list]

Message-Id: <1362896833-21104-7-git-send-email-jiang.liu@huawei.com>
Date:	Sun, 10 Mar 2013 14:26:49 +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>,
	Maciej Rutecki <maciej.rutecki@...il.com>,
	Chris Clayton <chris2553@...glemail.com>,
	"Rafael J . Wysocki" <rjw@...k.pl>, Mel Gorman <mgorman@...e.de>,
	Minchan Kim <minchan@...nel.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Michal Hocko <mhocko@...e.cz>,
	Jianguo Wu <wujianguo@...wei.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Mark Salter <msalter@...hat.com>,
	Aurelien Jacquiot <a-jacquiot@...com>
Subject: [PATCH v2, part1 06/29] mm/c6x: 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: Mark Salter <msalter@...hat.com>
Cc: Aurelien Jacquiot <a-jacquiot@...com>
---
 arch/c6x/mm/init.c |   30 ++----------------------------
 1 file changed, 2 insertions(+), 28 deletions(-)

diff --git a/arch/c6x/mm/init.c b/arch/c6x/mm/init.c
index 89395f0..a9fcd89 100644
--- a/arch/c6x/mm/init.c
+++ b/arch/c6x/mm/init.c
@@ -77,37 +77,11 @@ void __init mem_init(void)
 #ifdef CONFIG_BLK_DEV_INITRD
 void __init free_initrd_mem(unsigned long start, unsigned long end)
 {
-	int pages = 0;
-	for (; start < end; start += PAGE_SIZE) {
-		ClearPageReserved(virt_to_page(start));
-		init_page_count(virt_to_page(start));
-		free_page(start);
-		totalram_pages++;
-		pages++;
-	}
-	printk(KERN_INFO "Freeing initrd memory: %luk freed\n",
-	       (pages * PAGE_SIZE) >> 10);
+	free_reserved_area(start, end, 0, "initrd");
 }
 #endif
 
 void __init free_initmem(void)
 {
-	unsigned long addr;
-
-	/*
-	 * The following code should be cool even if these sections
-	 * are not page aligned.
-	 */
-	addr = PAGE_ALIGN((unsigned long)(__init_begin));
-
-	/* next to check that the page we free is not a partial page */
-	for (; addr + PAGE_SIZE < (unsigned long)(__init_end);
-	     addr += PAGE_SIZE) {
-		ClearPageReserved(virt_to_page(addr));
-		init_page_count(virt_to_page(addr));
-		free_page(addr);
-		totalram_pages++;
-	}
-	printk(KERN_INFO "Freeing unused kernel memory: %dK freed\n",
-	       (int) ((addr - PAGE_ALIGN((long) &__init_begin)) >> 10));
+	free_initmem_default(0);
 }
-- 
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/