uml: fold mmu_context_skas into mm_context

This patch folds mmu_context_skas into struct mm_context, changing all users
of these structures as needed.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/um/kernel/reboot.c b/arch/um/kernel/reboot.c
index 9d8eea4..04cebcf 100644
--- a/arch/um/kernel/reboot.c
+++ b/arch/um/kernel/reboot.c
@@ -25,7 +25,7 @@
 			if(p->mm == NULL)
 				continue;
 
-			pid = p->mm->context.skas.id.u.pid;
+			pid = p->mm->context.id.u.pid;
 			os_kill_ptraced_process(pid, 1);
 		}
 	}