Re: [PATCH 4.19.y 2/2] mm: hide incomplete nr_indirectly_reclaimable in sysfs

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On 4/9/19 7:05 PM, Konstantin Khlebnikov wrote:
> This fixes /sys/devices/system/node/node*/vmstat format:
> 
> ...
> nr_dirtied 6613155
> nr_written 5796802
>  11089216
> ...
> 
> In upstream branch this fixed by commit b29940c1abd7 ("mm: rename and
> change semantics of nr_indirectly_reclaimable_bytes").
> 
> Cc: <stable@xxxxxxxxxxxxxxx> # 4.19.y

So given the same circumstances as patch 1/2, shouldn't this also
include 4.14.y ?

> Fixes: 7aaf77272358 ("mm: don't show nr_indirectly_reclaimable in /proc/vmstat")
> Signed-off-by: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxxxxxx>
> Cc: Roman Gushchin <guro@xxxxxx>
> Cc: Vlastimil Babka <vbabka@xxxxxxx>
> ---
>  drivers/base/node.c |    7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/base/node.c b/drivers/base/node.c
> index 1ac4c36e13bb..c3968e2d0a98 100644
> --- a/drivers/base/node.c
> +++ b/drivers/base/node.c
> @@ -197,11 +197,16 @@ static ssize_t node_read_vmstat(struct device *dev,
>  			     sum_zone_numa_state(nid, i));
>  #endif
>  
> -	for (i = 0; i < NR_VM_NODE_STAT_ITEMS; i++)
> +	for (i = 0; i < NR_VM_NODE_STAT_ITEMS; i++) {
> +		/* Skip hidden vmstat items. */
> +		if (*vmstat_text[i + NR_VM_ZONE_STAT_ITEMS +
> +				 NR_VM_NUMA_STAT_ITEMS] == '\0')
> +			continue;
>  		n += sprintf(buf+n, "%s %lu\n",
>  			     vmstat_text[i + NR_VM_ZONE_STAT_ITEMS +
>  			     NR_VM_NUMA_STAT_ITEMS],
>  			     node_page_state(pgdat, i));
> +	}
>  
>  	return n;
>  }
> 




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