From 8dfcc9ba27e2ed257e5de9539f7f03e57c2c0e33 Mon Sep 17 00:00:00 2001
From: Nick Piggin <npiggin@suse.de>
Date: Wed, 22 Mar 2006 00:08:05 -0800
Subject: [PATCH] mm: split highorder pages

Have an explicit mm call to split higher order pages into individual pages.
 Should help to avoid bugs and be more explicit about the code's intention.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: David Howells <dhowells@redhat.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 arch/mips/mm/init.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'arch/mips/mm/init.c')

diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 0ff9a348b843..a140da9732db 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -54,7 +54,8 @@ unsigned long empty_zero_page, zero_page_mask;
  */
 unsigned long setup_zero_pages(void)
 {
-	unsigned long order, size;
+	unsigned int order;
+	unsigned long size;
 	struct page *page;
 
 	if (cpu_has_vce)
@@ -67,9 +68,9 @@ unsigned long setup_zero_pages(void)
 		panic("Oh boy, that early out of memory?");
 
 	page = virt_to_page(empty_zero_page);
+	split_page(page, order);
 	while (page < virt_to_page(empty_zero_page + (PAGE_SIZE << order))) {
 		SetPageReserved(page);
-		set_page_count(page, 1);
 		page++;
 	}
 
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