[PATCH] i386: Minor fixes & cleanup to tlb flush

(based on x86-64 changes)
- Add a proper memory clobber to invlpg
- Remove an unused extern

Signed-off-by: Andi Kleen <ak@suse.de>

1 files changed, 1 insertions, 3 deletions

diff --git a/include/asm-i386/tlbflush.h b/include/asm-i386/tlbflush.h
index d57ca5c540b6..360648b0f2b3 100644
--- a/include/asm-i386/tlbflush.h
+++ b/include/asm-i386/tlbflush.h
@@ -36,8 +36,6 @@
                         : "memory");                                    \
         } while (0)
 
-extern unsigned long pgkern_mask;
-
 # define __flush_tlb_all()                                              \
         do {                                                            \
                 if (cpu_has_pge)                                        \
@@ -49,7 +47,7 @@ extern unsigned long pgkern_mask;
 #define cpu_has_invlpg  (boot_cpu_data.x86 > 3)
 
 #define __flush_tlb_single(addr) \
-        __asm__ __volatile__("invlpg %0": :"m" (*(char *) addr))
+        __asm__ __volatile__("invlpg (%0)" ::"r" (addr) : "memory")
 
 #ifdef CONFIG_X86_INVLPG
 # define __flush_tlb_one(addr) __flush_tlb_single(addr)