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Message-Id: <20080103152438.6B7A214E23@wotan.suse.de>
Date: Thu, 3 Jan 2008 16:24:38 +0100 (CET)
From: Andi Kleen <ak@...e.de>
To: linux-kernel@...r.kernel.org
Subject: [PATCH CPA] [23/28] CPA: Remove unnecessary masking of address
virt_to_page does not care about the bits below the page granuality.
So don't mask them.
Signed-off-by: Andi Kleen <ak@...e.de>
---
arch/x86/mm/pageattr_64.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux/arch/x86/mm/pageattr_64.c
===================================================================
--- linux.orig/arch/x86/mm/pageattr_64.c
+++ linux/arch/x86/mm/pageattr_64.c
@@ -204,7 +204,7 @@ __change_page_attr(unsigned long address
kpte = lookup_address(address, &level);
if (!kpte) return 0;
- kpte_page = virt_to_page(((unsigned long)kpte) & PAGE_MASK);
+ kpte_page = virt_to_page(kpte);
BUG_ON(PageCompound(kpte_page));
BUG_ON(PageLRU(kpte_page));
--
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