Remove unused ps_stackgap from process struct

Nothing uses this field since Linux compat was removed.
ok mpi@ deraadt@ guenther@

diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c
index c12c584..eba148e 100644 (file)
--- a/sys/kern/kern_exec.c
+++ b/sys/kern/kern_exec.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: kern_exec.c,v 1.190 2017/12/12 01:12:34 deraadt Exp $ */
+/*     $OpenBSD: kern_exec.c,v 1.191 2017/12/19 10:04:59 stefan Exp $  */
 /*     $NetBSD: kern_exec.c,v 1.75 1996/02/09 18:59:28 christos Exp $  */
 
 /*-
@@ -453,9 +453,6 @@ sys_execve(struct proc *p, void *v, register_t *retval)
        if (error)
                goto exec_abort;
 
-       /* old "stackgap" is gone now */
-       pr->ps_stackgap = 0;
-
 #ifdef MACHINE_STACK_GROWS_UP
        pr->ps_strings = (vaddr_t)vm->vm_maxsaddr + sgap;
         if (uvm_map_protect(&vm->vm_map, (vaddr_t)vm->vm_maxsaddr,

diff --git a/sys/sys/proc.h b/sys/sys/proc.h
index 1addf75..d73e6aa 100644 (file)
--- a/sys/sys/proc.h
+++ b/sys/sys/proc.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: proc.h,v 1.243 2017/12/14 00:41:58 dlg Exp $  */
+/*     $OpenBSD: proc.h,v 1.244 2017/12/19 10:04:59 stefan Exp $       */
 /*     $NetBSD: proc.h,v 1.44 1996/04/22 01:23:21 christos Exp $       */
 
 /*-
@@ -203,7 +203,6 @@ struct process {
        char    ps_comm[MAXCOMLEN+1];
 
        vaddr_t ps_strings;             /* User pointers to argv/env */
-       vaddr_t ps_stackgap;            /* User pointer to the "stackgap" */
        vaddr_t ps_sigcode;             /* User pointer to the signal code */
        vaddr_t ps_sigcoderet;          /* User pointer to sigreturn retPC */
        u_long  ps_sigcookie;