Dave Jones <[EMAIL PROTECTED]> 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-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/