[PATCH] [23/31] CPA: Remove unnecessary masking of address

[Andi Kleen]

virt_to_page does not care about the bits below the page granuality.
So don't mask them.

Signed-off-by: Andi Kleen <ak@xxxxxxx>

---
 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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