Dave Jones <davej@xxxxxxxxxx> writes: > > #define __page_to_pfn(page) ((unsigned long)((page) - mem_map) + \ > ARCH_PFN_OFFSET) > > looks like the other two variants of __page_to_pfn also use similar arithmatic. No way around this. The only way to turn a page into a pfn is to do a constant division. Should be fairly cheap here though. -Andi (who thinks the sparse warning is dumb; better to look at oprofiles of hot paths) - To unsubscribe from this list: send the line "unsubscribe linux-sparse" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
