[28/41] Futex: Fix PAGE SIZE assumption

[Christoph Lameter <clameter@sgi.com>]

Signed-off-by: Christoph Lameter <clameter@sgi.com>
---
 kernel/futex.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Index: linux-2.6/kernel/futex.c
===================================================================
--- linux-2.6.orig/kernel/futex.c	2007-09-05 01:19:50.000000000 -0700
+++ linux-2.6/kernel/futex.c	2007-09-05 01:37:04.000000000 -0700
@@ -258,7 +258,8 @@ int get_futex_key(u32 __user *uaddr, str
 	err = get_user_pages(current, mm, address, 1, 0, 0, &page, NULL);
 	if (err >= 0) {
 		key->shared.pgoff =
-			page->index << (PAGE_CACHE_SHIFT - PAGE_SHIFT);
+			page->index <<
+				(page_cache_page_shift(page) - PAGE_SHIFT);
 		put_page(page);
 		return 0;
 	}

-- 
-
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