On Fri, 2011-04-01 at 20:04 +0530, Srikar Dronamraju wrote: > + if (vaddr > ULONG_MAX) > + /* > + * We cannot have a virtual address that is > + * greater than ULONG_MAX > + */ > + continue; I'm having trouble with those checks.. while they're not wrong they're not correct either. Mostly the top address space is where the kernel lives and on 32-on-64 compat the boundary is much lower still. Ideally it'd be TASK_SIZE, but that doesn't work since it assumes you're testing for the current task. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href