From: Jiang Liu <liuj97@gmail.com>
Date: Mon, 29 Apr 2013 22:06:46 +0000 (-0700)
Subject: mm/parisc: use common help functions to free reserved pages
X-Git-Tag: upstream/snapshot3+hdmi~5281^2~97
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d3e5351b8562ac72f0bd639f778098793f80ffa8;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

mm/parisc: use common help functions to free reserved pages

Use common help functions to free reserved pages.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Helge Deller <deller@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index cf2da13..157b931 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -505,7 +505,6 @@ static void __init map_pages(unsigned long start_vaddr,
 
 void free_initmem(void)
 {
-	unsigned long addr;
 	unsigned long init_begin = (unsigned long)__init_begin;
 	unsigned long init_end = (unsigned long)__init_end;
 
@@ -533,19 +532,10 @@ void free_initmem(void)
 	 * pages are no-longer executable */
 	flush_icache_range(init_begin, init_end);
 	
-	for (addr = init_begin; addr < init_end; addr += PAGE_SIZE) {
-		ClearPageReserved(virt_to_page(addr));
-		init_page_count(virt_to_page(addr));
-		free_page(addr);
-		num_physpages++;
-		totalram_pages++;
-	}
+	num_physpages += free_initmem_default(0);
 
 	/* set up a new led state on systems shipped LED State panel */
 	pdc_chassis_send_status(PDC_CHASSIS_DIRECT_BCOMPLETE);
-	
-	printk(KERN_INFO "Freeing unused kernel memory: %luk freed\n",
-		(init_end - init_begin) >> 10);
 }
 
 
@@ -1109,15 +1099,6 @@ void flush_tlb_all(void)
 #ifdef CONFIG_BLK_DEV_INITRD
 void free_initrd_mem(unsigned long start, unsigned long end)
 {
-	if (start >= end)
-		return;
-	printk(KERN_INFO "Freeing initrd memory: %ldk freed\n", (end - start) >> 10);
-	for (; start < end; start += PAGE_SIZE) {
-		ClearPageReserved(virt_to_page(start));
-		init_page_count(virt_to_page(start));
-		free_page(start);
-		num_physpages++;
-		totalram_pages++;
-	}
+	num_physpages += free_reserved_area(start, end, 0, "initrd");
 }
 #endif