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SubjectRe: [PATCH] mm: per-node vmstat show proper vmstats
On Mon, 11 Apr 2011, KOSAKI Motohiro wrote:

> commit 2ac390370a (writeback: add /sys/devices/system/node/<node>/vmstat)
> added vmstat entry. But strangely it only show nr_written and nr_dirtied.
>
> # cat /sys/devices/system/node/node20/vmstat
> nr_written 0
> nr_dirtied 0
>
> Of cource, It's no adequate. With this patch, the vmstat show
> all vm stastics as /proc/vmstat.
>
> # cat /sys/devices/system/node/node0/vmstat
> nr_free_pages 899224
> nr_inactive_anon 201
> nr_active_anon 17380
> nr_inactive_file 31572
> nr_active_file 28277
> nr_unevictable 0
> nr_mlock 0
> nr_anon_pages 17321
> nr_mapped 8640
> nr_file_pages 60107
> nr_dirty 33
> nr_writeback 0
> nr_slab_reclaimable 6850
> nr_slab_unreclaimable 7604
> nr_page_table_pages 3105
> nr_kernel_stack 175
> nr_unstable 0
> nr_bounce 0
> nr_vmscan_write 0
> nr_writeback_temp 0
> nr_isolated_anon 0
> nr_isolated_file 0
> nr_shmem 260
> nr_dirtied 1050
> nr_written 938
> numa_hit 962872
> numa_miss 0
> numa_foreign 0
> numa_interleave 8617
> numa_local 962872
> numa_other 0
> nr_anon_transparent_hugepages 0
>
> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
> Cc: Michael Rubin <mrubin@google.com>
> Cc: Wu Fengguang <fengguang.wu@intel.com>

This is very useful for cpuset users.

Acked-by: David Rientjes <rientjes@google.com>


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