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Style(9) changes.

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Pointed out by:	bde
This commit is contained in:
Don Lewis 2004-03-15 06:43:51 +00:00
parent ce8660e395
commit f0ea4612ef
2 changed files with 11 additions and 40 deletions
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28
sys/vm/vm_glue.c
View file

@ -183,29 +183,19 @@ useracc(addr, len, rw)
return (rv == TRUE);
}
/*
* MPSAFE
*/
int
vslock(addr, len)
void *addr;
size_t len;
vslock(void *addr, size_t len)
{
vm_offset_t start, end;
vm_offset_t end, start;
int error, npages;
start = trunc_page((vm_offset_t)addr);
end = round_page((vm_offset_t)addr + len);
/* disable wrap around */
if (end <= start)
return (EINVAL);
npages = atop(end - start);
if (npages > vm_page_max_wired)
return (ENOMEM);
PROC_LOCK(curproc);
if (npages + pmap_wired_count(vm_map_pmap(&curproc->p_vmspace->vm_map)) >
atop(lim_cur(curproc, RLIMIT_MEMLOCK))) {
@ -213,7 +203,6 @@ vslock(addr, len)
return (ENOMEM);
}
PROC_UNLOCK(curproc);
#if 0
/*
* XXX - not yet
@ -227,10 +216,8 @@ vslock(addr, len)
if (npages + cnt.v_wire_count > vm_page_max_wired)
return (EAGAIN);
#endif
error = vm_map_wire(&curproc->p_vmspace->vm_map, start, end,
VM_MAP_WIRE_USER|VM_MAP_WIRE_NOHOLES);
VM_MAP_WIRE_USER | VM_MAP_WIRE_NOHOLES);
/*
* Return EFAULT on error to match copy{in,out}() behaviour
* rather than returning ENOMEM like mlock() would.
@ -238,19 +225,14 @@ vslock(addr, len)
return (error == KERN_SUCCESS ? 0 : EFAULT);
}
/*
* MPSAFE
*/
void
vsunlock(addr, len)
void *addr;
size_t len;
vsunlock(void *addr, size_t len)
{
/* Rely on the parameter sanity checks performed by vslock(). */
(void)vm_map_unwire(&curproc->p_vmspace->vm_map,
trunc_page((vm_offset_t)addr), round_page((vm_offset_t)addr + len),
VM_MAP_WIRE_SYSTEM|VM_MAP_WIRE_NOHOLES);
VM_MAP_WIRE_SYSTEM | VM_MAP_WIRE_NOHOLES);
}
/*

23
sys/vm/vm_mmap.c
View file

@ -893,29 +893,24 @@ mlock(td, uap)
struct thread *td;
struct mlock_args *uap;
{
struct proc *proc = td->td_proc;
vm_offset_t addr, start, end;
struct proc *proc;
vm_offset_t addr, end, start;
vm_size_t size;
int error, npages;
error = suser(td);
if (error)
return (error);
addr = (vm_offset_t)uap->addr;
size = uap->len;
start = trunc_page(addr);
end = round_page(addr + size);
/* disable wrap around */
if (end <= start)
return (EINVAL);
npages = atop(end - start);
if (npages > vm_page_max_wired)
return (ENOMEM);
proc = td->td_proc;
PROC_LOCK(proc);
if (npages + pmap_wired_count(vm_map_pmap(&proc->p_vmspace->vm_map)) >
atop(lim_cur(proc, RLIMIT_MEMLOCK))) {
@ -923,12 +918,10 @@ mlock(td, uap)
return (ENOMEM);
}
PROC_UNLOCK(proc);
if (npages + cnt.v_wire_count > vm_page_max_wired)
return (EAGAIN);
error = vm_map_wire(&proc->p_vmspace->vm_map, start, end,
VM_MAP_WIRE_USER|VM_MAP_WIRE_NOHOLES);
VM_MAP_WIRE_USER | VM_MAP_WIRE_NOHOLES);
return (error == KERN_SUCCESS ? 0 : ENOMEM);
}
@ -1043,25 +1036,21 @@ munlock(td, uap)
struct thread *td;
struct munlock_args *uap;
{
vm_offset_t addr, start, end;
vm_offset_t addr, end, start;
vm_size_t size;
int error;
error = suser(td);
if (error)
return (error);
addr = (vm_offset_t)uap->addr;
size = uap->len;
start = trunc_page(addr);
end = round_page(addr + size);
/* disable wrap around */
if (end <= start)
return (EINVAL);
error = vm_map_unwire(&td->td_proc->p_vmspace->vm_map, start, end,
VM_MAP_WIRE_USER|VM_MAP_WIRE_NOHOLES);
VM_MAP_WIRE_USER | VM_MAP_WIRE_NOHOLES);
return (error == KERN_SUCCESS ? 0 : ENOMEM);
}