Messages in this thread | | | Date | Mon, 11 Jun 2012 10:31:03 -0400 | From | KOSAKI Motohiro <> | Subject | Re: [PATCH] mm: fix protection column misplacing in /proc/zoneinfo |
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On 6/11/2012 10:02 AM, Christoph Lameter wrote: > On Mon, 11 Jun 2012, kosaki.motohiro@gmail.com wrote: > >> From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> >> >> commit 2244b95a7b (zoned vm counters: basic ZVC (zoned vm counter) >> implementation) broke protection column. It is a part of "pages" >> attribute. but not it is showed after vmstats column. >> >> This patch restores the right position. > > Well this reorders the output. vmstats are also counts of pages. I am not > sure what the difference is.
No. In this case, "pages" mean zone attribute. In the other hand, vmevent is a statistics.
> You are not worried about breaking something that may scan the zoneinfo > output with this change? Its been this way for 6 years and its likely that > tools expect the current layout.
I don't worry about this. Because of, /proc/zoneinfo is cray machine unfrinedly format and afaik no application uses it.
btw, I believe we should aim /sys/devices/system/node/<node-num>/zones new directory and export zone infos as machine readable format.
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