x86-64: Move TLB state from PDA to per-cpu and consolidate with 32-bit.

Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

1 files changed, 2 insertions, 5 deletions

diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
index 17feaa9c7e76..d3539f998f88 100644
--- a/arch/x86/include/asm/tlbflush.h
+++ b/arch/x86/include/asm/tlbflush.h
@@ -148,20 +148,17 @@ void native_flush_tlb_others(const struct cpumask *cpumask,
 #define TLBSTATE_OK     1
 #define TLBSTATE_LAZY   2
 
-#ifdef CONFIG_X86_32
 struct tlb_state {
         struct mm_struct *active_mm;
         int state;
-        char __cacheline_padding[L1_CACHE_BYTES-8];
 };
 DECLARE_PER_CPU(struct tlb_state, cpu_tlbstate);
 
-void reset_lazy_tlbstate(void);
-#else
 static inline void reset_lazy_tlbstate(void)
 {
+        percpu_write(cpu_tlbstate.state, 0);
+        percpu_write(cpu_tlbstate.active_mm, &init_mm);
 }
-#endif
 
 #endif  /* SMP */