On Tue, 16 Oct 2007, Dave Hansen wrote: > For the /proc/<pid>/pagemap code[1], we need to able to query how > much virtual address space a particular task has. The trick is > that we do it through /proc and can't use TASK_SIZE since it > references "current" on some arches. The process opening the > /proc file might be a 32-bit process opening a 64-bit process's > pagemap file. > > x86_64 already has a TASK_SIZE_OF() macro: > > #define TASK_SIZE_OF(child) ((test_tsk_thread_flag(child, TIF_IA32)) ? > IA32_PAGE_OFFSET : TASK_SIZE64) > > I'd like to have that for other architectures. So, add it > for all the architectures that actually use "current" in > their TASK_SIZE. For the others, just add a quick #define > in sched.h to use plain old TASK_SIZE. > > 1. http://www.linuxworld.com/news/2007/042407-kernel.html > > - MIPS portion from Ralf Baechle <[EMAIL PROTECTED]> > > Signed-off-by: Dave Hansen <[EMAIL PROTECTED]> > Signed-off-by: Ralf Baechle <[EMAIL PROTECTED]> > Signed-off-by: Matt Mackall <[EMAIL PROTECTED]>
Acked-by: David Rientjes <[EMAIL PROTECTED]> - 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/
