On Mon, 2011-01-24 at 17:58 +0000, Russell King - ARM Linux wrote: > Wrong. For flatmem, we have a pfn_valid() which is backed by doing a > one, two or maybe rarely three compare search of the memblocks. Short > of having a bitmap of every page in the 4GB memory space, you can't > get more efficient than that. Sweet. So, we can just take the original patch that started this conversation, add the requisite pfn_valid()s and pfn_to_page()s, and skip the sparsemem #ifdefs. Right? -- Dave -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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