From: Jan Beulich <jbeulich@novell.com>

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/asm-x86/mmu.h |    5 -----
 1 file changed, 5 deletions(-)

diff -puN include/asm-x86/mmu.h~x86-64-eliminate-dead-code include/asm-x86/mmu.h
--- a/include/asm-x86/mmu.h~x86-64-eliminate-dead-code
+++ a/include/asm-x86/mmu.h
@@ -7,14 +7,9 @@
 /*
  * The x86 doesn't have a mmu context, but
  * we put the segment information here.
- *
- * cpu_vm_mask is used to optimize ldt flushing.
  */
 typedef struct {
 	void *ldt;
-#ifdef CONFIG_X86_64
-	rwlock_t ldtlock;
-#endif
 	int size;
 	struct mutex lock;
 	void *vdso;
_