diff options
Diffstat (limited to 'sys/kern/sys_process.c')
| -rw-r--r-- | sys/kern/sys_process.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/sys/kern/sys_process.c b/sys/kern/sys_process.c index 33fac71..5508dcf 100644 --- a/sys/kern/sys_process.c +++ b/sys/kern/sys_process.c @@ -263,7 +263,6 @@ proc_rwmem(struct proc *p, struct uio *uio) writing = uio->uio_rw == UIO_WRITE; reqprot = writing ? VM_PROT_COPY | VM_PROT_READ : VM_PROT_READ; fault_flags = writing ? VM_FAULT_DIRTY : VM_FAULT_NORMAL; - fault_flags |= VM_FAULT_IOBUSY; /* * Only map in one page at a time. We don't have to, but it @@ -288,9 +287,9 @@ proc_rwmem(struct proc *p, struct uio *uio) len = min(PAGE_SIZE - page_offset, uio->uio_resid); /* - * Fault and busy the page on behalf of the process. + * Fault and hold the page on behalf of the process. */ - error = vm_fault_handle(map, pageno, reqprot, fault_flags, &m); + error = vm_fault_hold(map, pageno, reqprot, fault_flags, &m); if (error != KERN_SUCCESS) { if (error == KERN_RESOURCE_SHORTAGE) error = ENOMEM; @@ -316,9 +315,9 @@ proc_rwmem(struct proc *p, struct uio *uio) /* * Release the page. */ - VM_OBJECT_WLOCK(m->object); - vm_page_io_finish(m); - VM_OBJECT_WUNLOCK(m->object); + vm_page_lock(m); + vm_page_unhold(m); + vm_page_unlock(m); } while (error == 0 && uio->uio_resid > 0); |
