On Thu, Feb 25, 2021 at 03:15:42PM -0800, Hugh Dickins wrote:
> All of the VM NUMA stats are event counts, incremented never decremented:
> it is not very useful for vmstat_refresh() to check them throughout their
> first aeon, then warn on them throughout their next.
>
> Signed-off-by: Hugh Dickins <hu...@google.com>
Acked-by: Roman Gushchin <g...@fb.com>
Thanks!
> ---
>
> mm/vmstat.c | 9 ---------
> 1 file changed, 9 deletions(-)
>
> --- vmstat3/mm/vmstat.c 2021-02-25 12:42:15.000000000 -0800
> +++ vmstat4/mm/vmstat.c 2021-02-25 12:44:20.000000000 -0800
> @@ -1854,15 +1854,6 @@ int vmstat_refresh(struct ctl_table *tab
> __func__, zone_stat_name(i), val);
> }
> }
> -#ifdef CONFIG_NUMA
> - for (i = 0; i < NR_VM_NUMA_STAT_ITEMS; i++) {
> - val = atomic_long_read(&vm_numa_stat[i]);
> - if (val < 0) {
> - pr_warn("%s: %s %ld\n",
> - __func__, numa_stat_name(i), val);
> - }
> - }
> -#endif
> for (i = 0; i < NR_VM_NODE_STAT_ITEMS; i++) {
> /*
> * Skip checking stats known to go negative occasionally.
