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DateTue, 15 Jan 2008 11:10:35 +0900
FromKAMEZAWA Hiroyuki <>
SubjectRe: [RFC][PATCH 3/5] add /dev/mem_notify device
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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