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-rw-r--r--sys/kern/kern_exec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c
index fde4ee4..b2ce458 100644
--- a/sys/kern/kern_exec.c
+++ b/sys/kern/kern_exec.c
@@ -868,7 +868,7 @@ exec_new_vmspace(imgp, sv)
#ifdef __ia64__
/* Allocate a new register stack */
- stack_addr = sv->sv_usrstack - 2 * maxssiz;
+ stack_addr = IA64_BACKINGSTORE;
error = vm_map_stack(map, stack_addr, (vm_size_t)maxssiz,
sv->sv_stackprot, VM_PROT_ALL, MAP_STACK_GROWS_UP);
if (error)
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