Messages in this thread | | | Date | Sat, 9 Dec 2006 13:05:47 +0100 | From | Heiko Carstens <> | Subject | Re: [RFC] [PATCH] virtual memmap on sparsemem v3 [2/4] generic virtual mem_map on sparsemem |
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> +#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 ? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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