Re: [PATCHv11 3/4] zswap: add to mm/

[Dave Hansen]

On 05/15/2013 01:09 PM, Seth Jennings wrote:
> On Wed, May 15, 2013 at 02:55:06PM -0400, Konrad Rzeszutek Wilk wrote:
>>> Sorry, but I don't think that's appropriate for a patch in the MM subsystem.
>>
>> Perhaps a compromise can be reached where this code is merged as a driver
>> not a core mm component. There is a high bar to be in the MM - it has to
>> work with many many different configurations. 
>>
>> And drivers don't have such a high bar. They just need to work on a specific
>> issue and that is it. If zswap ended up in say, drivers/mm that would make
>> it more palpable I think.

The issue is not whether it is a loadable module or a driver.  Nobody
here is stupid enough to say, "hey, now it's a driver/module, all of the
complex VM interactions are finally fixed!"

If folks don't want this in their system, there's a way to turn it off,
today, with the sysfs tunables.  We don't need _another_ way to turn it
off at runtime (unloading the module/driver).


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