From: Jiang Liu <liuj97@gmail.com>
Date: Mon, 29 Apr 2013 22:07:10 +0000 (-0700)
Subject: mm/SPARC: use free_highmem_page() to free highmem pages into buddy system
X-Git-Tag: upstream/snapshot3+hdmi~5281^2~78
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=32e1a109276e96f4caec97305167260522476e4a;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

mm/SPARC: use free_highmem_page() to free highmem pages into buddy system

Use helper function free_highmem_page() to free highmem pages into
the buddy system.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: "David S. Miller" <davem@davemloft.net>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
index 48e0c03..4490c39 100644
--- a/arch/sparc/mm/init_32.c
+++ b/arch/sparc/mm/init_32.c
@@ -282,14 +282,8 @@ static void map_high_region(unsigned long start_pfn, unsigned long end_pfn)
 	printk("mapping high region %08lx - %08lx\n", start_pfn, end_pfn);
 #endif
 
-	for (tmp = start_pfn; tmp < end_pfn; tmp++) {
-		struct page *page = pfn_to_page(tmp);
-
-		ClearPageReserved(page);
-		init_page_count(page);
-		__free_page(page);
-		totalhigh_pages++;
-	}
+	for (tmp = start_pfn; tmp < end_pfn; tmp++)
+		free_highmem_page(pfn_to_page(tmp));
 }
 
 void __init mem_init(void)
@@ -347,8 +341,6 @@ void __init mem_init(void)
 		map_high_region(start_pfn, end_pfn);
 	}
 	
-	totalram_pages += totalhigh_pages;
-
 	codepages = (((unsigned long) &_etext) - ((unsigned long)&_start));
 	codepages = PAGE_ALIGN(codepages) >> PAGE_SHIFT;
 	datapages = (((unsigned long) &_edata) - ((unsigned long)&_etext));