bitkeeper revision 1.329.1.2 (3f0d406al_xEBmfvKg96FZ0PQ1E94w)
authorsos22@labyrinth.cl.cam.ac.uk <sos22@labyrinth.cl.cam.ac.uk>
Thu, 10 Jul 2003 10:31:06 +0000 (10:31 +0000)
committersos22@labyrinth.cl.cam.ac.uk <sos22@labyrinth.cl.cam.ac.uk>
Thu, 10 Jul 2003 10:31:06 +0000 (10:31 +0000)
Make some comments slightly more comprehensible.

xenolinux-2.4.21-sparse/arch/xeno/drivers/dom0/dom0_core.c

index a6f03f7caab3cf2564f53526282eadde64f2acf8..c31c2d2410a798d7a6e1cacfffcf10026a432f1f 100644 (file)
@@ -334,6 +334,10 @@ static int handle_dom0_cmd_dopgupdates(unsigned long data)
        return -EFAULT;
 
     /* argbuf.pgt_update_arr had better be direct mapped... */
+    /* Actually, we only *really* need to make sure that all of it's
+       pages are in memory and aren't going to get swapped out in the
+       mean time, but this is slightly easier than checking all of
+       that and is sufficient for the current userspace tools. */
     entry = find_direct(&current->mm->context.direct_list,
                        argbuf.pgt_update_arr);
     if (entry == &current->mm->context.direct_list)