Messages in this thread | | | Subject | Re: loading firmware while usermodehelper disabled. | From | Jack Stone <> | Date | Tue, 03 Jan 2012 00:44:07 +0000 |
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Marek Vasut <marek.vasut@gmail.com> wrote:
>> On 02/01/12 22:31, Marek Vasut wrote: >> >> I don't think there is anyway to avoid the memory requirement if >we want >> >> to be able to resume transparently to user-space (or even resume >at all >> >> in some setups). >> > >> > Well ... injecting firmware into kernel with some userland helper >just >> > before suspend is no-go? >> >> Its a perfectly good idea but you still need the full memory >requirement >> during the suspend. > >Hm ... and we can't have memory type that "can be swapped-out, but must >be >loaded back before suspend" in kernel, right?
Nope. Kernel swapping is a big headache and Linux doesn't do it. The only thing we can do is drop any clean cache pages, but that has performance implications.
Thanks,
Jack
-- Sent from my Android phone with K-9 Mail. Please excuse my brevity.
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