Messages in this thread |  | | | Subject | Re: [RFC][PATCH] vmscan: don't export nr_saved_scan in /proc/zoneinfo | | From | Peter Zijlstra <> | | Date | Tue, 05 May 2009 09:38:10 +0200 |
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On Mon, 2009-05-04 at 14:49 -0700, Andrew Morton wrote: > On Sat, 2 May 2009 10:47:19 +0800 > Wu Fengguang <fengguang.wu@intel.com> wrote: > > > The lru->nr_saved_scan's are not meaningful counters for even kernel > > developers. They typically are smaller than 32 and are always 0 for > > large lists. So remove them from /proc/zoneinfo. > > > > Hopefully this interface change won't break too many scripts. > > /proc/zoneinfo is too unstructured to be script friendly, and I wonder > > the affected scripts - if there are any - are still bleeding since the > > not long ago commit "vmscan: split LRU lists into anon & file sets", > > which also touched the "scanned" line :) > > > > If we are to re-export accumulated vmscan counts in the future, they > > can go to new lines in /proc/zoneinfo instead of the current form, or > > to /sys/devices/system/node/node0/meminfo? > > > > /proc/zoneinfo is unsalvageable :( Shifting future work over to > /sys/devices/system/node/nodeN/meminfo and deprecating /proc/zoneinfo > sounds good to me.
If only one could find things put in sysfs :-)
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