| Date | Tue, 15 Jan 2008 11:10:35 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [RFC][PATCH 3/5] add /dev/mem_notify device |
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On Tue, 15 Jan 2008 10:01:21 +0900 KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> wrote:
> + if (pressure) { > + nr_wakeup = max_t(int, atomic_read(&nr_watcher_task)>>4, 100); > + atomic_long_set(&last_mem_notify, jiffies); > + wake_up_locked_nr(&mem_wait, nr_wakeup); > + } What is this for ? and Why ? Are there too many waiters ?
Thanks -Kame
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