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SubjectRe: [PATCH] mm: vmstat: Do not display stats for TLB flushes unless debugging
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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