Messages in this thread | | | Date | Thu, 9 Jul 2009 16:43:02 -0400 (EDT) | From | Christoph Lameter <> | Subject | Re: [PATCH 4/5] add isolate pages vmstat |
| |
On Thu, 9 Jul 2009, KOSAKI Motohiro wrote:
> Subject: [PATCH] add isolate pages vmstat > > If the system have plenty threads or processes, concurrent reclaim can > isolate very much pages. > Unfortunately, current /proc/meminfo and OOM log can't show it.
" If the system is running a heavy load of processes then concurrent reclaim can isolate a large numbe of pages from the LRU. /proc/meminfo and the output generated for an OOM do not show how many pages were isolated. "
> This patch provide the way of showing this information.
" This patch shows the information about isolated pages. "
Page migration can also isolate a large number of pages from the LRU. But the new counters are not used there.
| |