Re: [RFC 1/3] /dev/low_mem_notify

From: Pekka Enberg
Date: Tue Jan 17 2012 - 04:27:36 EST


On Tue, Jan 17, 2012 at 10:13 AM, Minchan Kim <minchan@xxxxxxxxxx> wrote:
> +static unsigned int low_mem_notify_poll(struct file *file, poll_table *wait)
> +{
> +        unsigned int ret = 0;
> +
> +        poll_wait(file, &low_mem_wait, wait);
> +
> +        if (atomic_read(&nr_low_mem) != 0) {
> +                ret = POLLIN;
> +                atomic_set(&nr_low_mem, 0);
> +        }
> +
> +        return ret;
> +}

Doesn't this mean that only one application will receive the notification?

Pekka
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