On Thu, Aug 02, 2012 at 10:15:27AM -0300, Marcelo Tosatti wrote: > Remind me what is the guarantee that -Exxx does not clash with > a valid pfn number?
A pfn number is an address >> PAGE_SHIFT, so it will have the top 12 (at least) bits clear, whereas -Exxx will have the top bit set. Paul. -- 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/
