x86/mm/pageattr: Remove an unused variable in slow_virt_to_phys()

The patch doesn't change any logic.

Signed-off-by: Dexuan Cui <decui@microsoft.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1429776428-4475-1-git-send-email-decui@microsoft.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index c77abd7..397838e 100644 (file)
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -417,13 +417,11 @@ phys_addr_t slow_virt_to_phys(void *__virt_addr)
        phys_addr_t phys_addr;
        unsigned long offset;
        enum pg_level level;
-       unsigned long psize;
        unsigned long pmask;
        pte_t *pte;
 
        pte = lookup_address(virt_addr, &level);
        BUG_ON(!pte);
-       psize = page_level_size(level);
        pmask = page_level_mask(level);
        offset = virt_addr & ~pmask;
        phys_addr = (phys_addr_t)pte_pfn(*pte) << PAGE_SHIFT;