From edbecb0cf593c61107aa6fac8d5ba7eeb092f8d0 Mon Sep 17 00:00:00 2001
From: Alan Cox <alc@FreeBSD.org>
Date: Tue, 16 Apr 2002 05:56:01 +0000
Subject: [PATCH] Remove code that updates vm->vm_ssize.  This duplicates work
 already performed by vm_map_growstack().

---
 sys/alpha/alpha/trap.c | 20 --------------------
 1 file changed, 20 deletions(-)

diff --git a/sys/alpha/alpha/trap.c b/sys/alpha/alpha/trap.c
index bfb71bd8ae2f..16185b7cf6ce 100644
--- a/sys/alpha/alpha/trap.c
+++ b/sys/alpha/alpha/trap.c
@@ -559,26 +559,6 @@ trap(a0, a1, a2, entry, framep)
 				 */
 				rv = vm_fault(map, va, ftype, VM_FAULT_NORMAL);
 			}
-				
-			/*
-			 * If this was a stack access we keep track of the
-			 * maximum accessed stack size.  Also, if vm_fault
-			 * gets a protection failure it is due to accessing
-			 * the stack region outside the current limit and
-			 * we need to reflect that as an access error.
-			 */
-			if (map != kernel_map &&
-			    (caddr_t)va >= vm->vm_maxsaddr &&
-			    (caddr_t)va < (caddr_t)USRSTACK) {
-				if (rv == KERN_SUCCESS) {
-					unsigned long nss, rp;
-					rp = round_page(USRSTACK - va);
-					nss = alpha_btop(rp);
-					if (nss > vm->vm_ssize)
-						vm->vm_ssize = nss;
-				} else if (rv == KERN_PROTECTION_FAILURE)
-					rv = KERN_INVALID_ADDRESS;
-			}
 			mtx_unlock(&Giant);
 			if (rv == KERN_SUCCESS)
 				goto out;