Hi!
> o __pa() should be used only on kernel linearly mapped virtual addresses
> and not on kernel text and data addresses.
>
> o Hibernation code needs to determine the physical address associated
> with kernel symbol to mark a section boundary which contains pages which
> don't have to be saved and restored during hibernate/resume operation.
>
> o Move this piece of code in arch dependent section. So that architectures
> which don't have kernel text/data mapped into kernel linearly mapped
> region can come up with their own ways of determining physical addresses
> associated with a kernel text.
>
> Signed-off-by: Vivek Goyal <[EMAIL PROTECTED]>
...hmm, but that means 3 copies of same code. Can we put the
> +/*
> + * pfn_is_nosave - check if given pfn is in the 'nosave' section
> + */
> +
> +int pfn_is_nosave(unsigned long pfn)
> +{
> + unsigned long nosave_begin_pfn = __pa_symbol(&__nosave_begin) >>
> PAGE_SHIFT;
> + unsigned long nosave_end_pfn = PAGE_ALIGN(__pa_symbol(&__nosave_end))
> >> PAGE_SHIFT;
> + return (pfn >= nosave_begin_pfn) && (pfn < nosave_end_pfn);
> +}
...in asm-generic/suspend.h (or something) and then just include it?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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