Re: [PATCH] mm: vmstat: Do not display stats for TLB flushes unlessdebugging

[David Rientjes]

On Thu, 16 Jan 2014, Mel Gorman wrote:

> diff --git a/mm/vmstat.c b/mm/vmstat.c
> index 7249614..def5dd2 100644
> --- a/mm/vmstat.c
> +++ b/mm/vmstat.c
> @@ -851,12 +851,14 @@ const char * const vmstat_text[] = {
>  	"thp_zero_page_alloc",
>  	"thp_zero_page_alloc_failed",
>  #endif
> +#ifdef CONFIG_DEBUG_TLBFLUSH
>  #ifdef CONFIG_SMP
>  	"nr_tlb_remote_flush",
>  	"nr_tlb_remote_flush_received",
> -#endif
> +#endif /* CONFIG_SMP */
>  	"nr_tlb_local_flush_all",
>  	"nr_tlb_local_flush_one",
> +#endif /* CONFIG_DEBUG_TLBFLUSH */
>  
>  #endif /* CONFIG_VM_EVENTS_COUNTERS */
>  };

Hmm, so why are NR_TLB_REMOTE_FLUSH{,_RECEIVED} defined for !CONFIG_SMP in 
linux-next?
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