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

Andi Kleen
2008-01-14T22:24:59Z

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>

---
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));