MFi386: correctly calculate the top-of-stack when a kthread is created

with a larger kernel stack. Remove inclusion of opt_kstack_pages.h now
that it's unused.

1 files changed, 2 insertions, 4 deletions

diff --git a/sys/ia64/ia64/vm_machdep.c b/sys/ia64/ia64/vm_machdep.c
index 027010d..59725b6 100644
--- a/sys/ia64/ia64/vm_machdep.c
+++ b/sys/ia64/ia64/vm_machdep.c
@@ -67,8 +67,6 @@
  * rights to redistribute these changes.
  */
 
-#include "opt_kstack_pages.h"
-
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/proc.h>
@@ -129,7 +127,7 @@ cpu_thread_setup(struct thread *td)
 {
 	intptr_t sp;
 
-	sp = td->td_kstack + KSTACK_PAGES * PAGE_SIZE;
+	sp = td->td_kstack + td->td_kstack_pages * PAGE_SIZE;
 	sp -= sizeof(struct pcb);
 	td->td_pcb = (struct pcb *)sp;
 	sp -= sizeof(struct trapframe);
@@ -257,7 +255,7 @@ cpu_fork(struct thread *td1, struct proc *p2 __unused, struct thread *td2,
 	 * create an image of the parent's stack and backing store and
 	 * adjust where necessary.
 	 */
-	stackp = (char *)(td2->td_kstack + KSTACK_PAGES * PAGE_SIZE);
+	stackp = (char *)(td2->td_kstack + td2->td_kstack_pages * PAGE_SIZE);
 
 	stackp -= sizeof(struct pcb);
 	td2->td_pcb = (struct pcb *)stackp;