diff options
Diffstat (limited to 'sys/uvm/uvm_unix.c')
| -rw-r--r-- | sys/uvm/uvm_unix.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/sys/uvm/uvm_unix.c b/sys/uvm/uvm_unix.c index 21ef2c69449..01e29ac9af6 100644 --- a/sys/uvm/uvm_unix.c +++ b/sys/uvm/uvm_unix.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uvm_unix.c,v 1.27 2005/07/26 07:11:55 art Exp $ */ +/* $OpenBSD: uvm_unix.c,v 1.28 2007/04/11 12:51:51 miod Exp $ */ /* $NetBSD: uvm_unix.c,v 1.18 2000/09/13 15:00:25 thorpej Exp $ */ /* @@ -116,7 +116,7 @@ sys_obreak(p, v, retval) * uvm_grow: enlarge the "stack segment" to include sp. */ -int +void uvm_grow(p, sp) struct proc *p; vaddr_t sp; @@ -128,7 +128,7 @@ uvm_grow(p, sp) * For user defined stacks (from sendsig). */ if (sp < (vaddr_t)vm->vm_maxsaddr) - return (0); + return; /* * For common case of already allocated (from trap). @@ -138,7 +138,7 @@ uvm_grow(p, sp) #else if (sp >= USRSTACK - ctob(vm->vm_ssize)) #endif - return (1); + return; /* * Really need to check vs limit and increment stack size if ok. @@ -146,12 +146,10 @@ uvm_grow(p, sp) #ifdef MACHINE_STACK_GROWS_UP si = btoc(sp - USRSTACK) - vm->vm_ssize; #else - si = btoc(USRSTACK-sp) - vm->vm_ssize; + si = btoc(USRSTACK - sp) - vm->vm_ssize; #endif - if (vm->vm_ssize + si > btoc(p->p_rlimit[RLIMIT_STACK].rlim_cur)) - return (0); - vm->vm_ssize += si; - return (1); + if (vm->vm_ssize + si <= btoc(p->p_rlimit[RLIMIT_STACK].rlim_cur)) + vm->vm_ssize += si; } /* |