On Sat, 9 Dec 2006 13:05:47 +0100
Heiko Carstens <[email protected]> wrote:
> > +#ifdef CONFIG_SPARSEMEM_VMEMMAP
> > +#if (((BITS_PER_LONG/4) * PAGES_PER_SECTION) % PAGE_SIZE) != 0
> > +#error "PAGE_SIZE/SECTION_SIZE relationship is not suitable for vmem_map"
> > +#endif
>
> Why the BITS_PER_LONG/4? Or to put in other words: why not simply
> PAGES_PER_SECTION % PAGE_SIZE != 0 ?
>
sorry, my mistake. What I wanted to do was
32bits arch --
4 * PAGES_PER_SECTION % PAGE_SIZE
64bits arch --
8 * PAGES_PER_SECTION % PAGE_SIZE
I'll renew this in the next week.
-Kame
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