Re: [PATCH v2 2/2] Memory notification pseudo-device module

From: Pekka Enberg
Date: Tue Jan 17 2012 - 08:32:36 EST


On Tue, Jan 17, 2012 at 3:22 PM, Leonid Moiseichuk
<leonid.moiseichuk@xxxxxxxxx> wrote:
> The memory notification (memnotify) device tracks level of memory utilization,
> active page set and notifies subscribed processes when consumption crossed
> specified threshold(s) up or down. It could be used on embedded devices to
> implementation of performance-cheap memory reacting by using
> e.g. libmemnotify or similar user-space component.
>
> The minimal (250 ms) and maximal (15s) periods of reaction and granularity
> (~1.4% of memory size) could be tuned using module options.
>
> Signed-off-by: Leonid Moiseichuk <leonid.moiseichuk@xxxxxxxxx>

Is the point of making this a misc device to keep the ABI compatible
with N9? Is the ABI documented?

Pekka
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