Re: [linux-pm] [RFC][PATCH] PM: Force GFP_NOIO during suspend/resume (was: Re: Memory allocations in .suspend became very unreliable)

Nigel Cunningham
2010-01-21T20:40:54Z

Hi.

Rafael J. Wysocki wrote:
> On Thursday 21 January 2010, KOSAKI Motohiro wrote:
>> - Ask all drivers how much they require memory before starting suspend and
>> Make enough free memory at first?
>
> That's equivalent to reworking all drivers to allocate memory before suspend
> eg. with the help of PM notifiers. Which IMHO is unrealistic.

What's unrealistic about it? I can see that it would be a lot of work,
but unrealistic? To me, at this stage, it sounds like the ideal solution.

Regards,

Nigel