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x86: cpa: remove unnecessary masking of address

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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>
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Andi Kleen
2008-01-30 13:33:50 +01:00
committed by Ingo Molnar
parent 5b016432a7
commit a3ae91b0a0
1 changed files with 1 additions and 1 deletions
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2
arch/x86/mm/pageattr_64.c
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@@ -148,7 +148,7 @@ __change_page_attr(unsigned long address, unsigned long pfn, pgprot_t prot,
if (!kpte) if (!kpte)
return 0; return 0;
kpte_page = virt_to_page(((unsigned long)kpte) & PAGE_MASK); kpte_page = virt_to_page(kpte);
BUG_ON(PageLRU(kpte_page)); BUG_ON(PageLRU(kpte_page));
BUG_ON(PageCompound(kpte_page)); BUG_ON(PageCompound(kpte_page));
if (pgprot_val(prot) != pgprot_val(ref_prot)) { if (pgprot_val(prot) != pgprot_val(ref_prot)) {