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authorNick Piggin <npiggin@suse.de>2006-03-22 00:08:05 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-22 07:53:57 -0800
commit8dfcc9ba27e2ed257e5de9539f7f03e57c2c0e33 (patch)
treeaecaeb6a0b33c23f79dfcd2418e4a3881a29f2e2 /arch/mips/mm
parent8e7a9aae91101916b86de07fafe3272ea8dc1f10 (diff)
[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>
Diffstat (limited to 'arch/mips/mm')
-rw-r--r--arch/mips/mm/init.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 0ff9a348b84..a140da9732d 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++;
}