Messages in this thread Patch in this message | | | From | Andi Kleen <> | Subject | [PATCH] [28/36] CPA: Remove unnecessary masking of address | Date | Wed, 16 Jan 2008 23:15:28 +0100 (CET) |
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virt_to_page does not care about the bits below the page granuality. So don't mask them.
Signed-off-by: Andi Kleen <ak@suse.de> Acked-by: Jan Beulich <jbeulich@novell.com>
--- 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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