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

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Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Brian Gerst
2009-01-19 00:38:57 +09:00
committed by Tejun Heo
parent 1b437c8c73
commit 9eb912d1aa
7 changed files with 20 additions and 38 deletions
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7
arch/x86/include/asm/tlbflush.h
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@@ -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 */