Messages in this thread | | | Date | Fri, 25 Sep 2009 21:47:23 +1000 | From | Nigel Cunningham <> | Subject | Re: No more bits in vm_area_struct's vm_flags. |
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Hi.
Hugh Dickins wrote: > On Fri, 25 Sep 2009, Nigel Cunningham wrote: >> Hugh Dickins wrote: >>> Does TuxOnIce rely on CONFIG_MMU? If so, then the TuxOnIce patch >>> could presumably reuse VM_MAPPED_COPY for now - but don't be >>> surprised if that's one we clean away later on. >> Hmm. I'm not sure. The requirements are the same as for swsusp and >> uswsusp. Is there some tool to graph config dependencies? > > If its requirements are the same as theirs, then I think yes, > TuxOnIce relies on config MMU: because config HIBERNATION depends > on SWAP (kernel/power/Kconfig) and config SWAP depends on MMU > (init/Kconfig). > > But I hesitated to assume that, because in the TuxOnIce patch I have > here for reference (e.g. when deciding it'll cause you unwelcome hassle > if I move swap_info_struct from swap.h to swapfile.c!), it looked as if > you support saving to an ordinary file, not just to a swap file?
Yes, that's right.
>> Is there some tool to graph config dependencies? > > I don't know it, but would be nice, and maybe it does exist.
Okee doke.
Nigel
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