diff options
Diffstat (limited to 'ipc/shm.c')
| -rw-r--r-- | ipc/shm.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/ipc/shm.c b/ipc/shm.c index 0852f206d895..d0259e3ad1c0 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -77,7 +77,7 @@ static void shm_destroy (struct ipc_namespace *ns, struct shmid_kernel *shp); static int sysvipc_shm_proc_show(struct seq_file *s, void *it); #endif -static void __ipc_init __shm_init_ns(struct ipc_namespace *ns, struct ipc_ids *ids) +static void __shm_init_ns(struct ipc_namespace *ns, struct ipc_ids *ids) { ns->ids[IPC_SHM_IDS] = ids; ns->shm_ctlmax = SHMMAX; @@ -98,7 +98,6 @@ static void do_shm_rmid(struct ipc_namespace *ns, struct shmid_kernel *shp) shm_destroy(ns, shp); } -#ifdef CONFIG_IPC_NS int shm_init_ns(struct ipc_namespace *ns) { struct ipc_ids *ids; @@ -130,7 +129,6 @@ void shm_exit_ns(struct ipc_namespace *ns) kfree(ns->ids[IPC_SHM_IDS]); ns->ids[IPC_SHM_IDS] = NULL; } -#endif void __init shm_init (void) { @@ -226,13 +224,12 @@ static void shm_close(struct vm_area_struct *vma) mutex_unlock(&shm_ids(ns).mutex); } -static struct page *shm_nopage(struct vm_area_struct *vma, - unsigned long address, int *type) +static int shm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { struct file *file = vma->vm_file; struct shm_file_data *sfd = shm_file_data(file); - return sfd->vm_ops->nopage(vma, address, type); + return sfd->vm_ops->fault(vma, vmf); } #ifdef CONFIG_NUMA @@ -271,6 +268,7 @@ static int shm_mmap(struct file * file, struct vm_area_struct * vma) if (ret != 0) return ret; sfd->vm_ops = vma->vm_ops; + BUG_ON(!sfd->vm_ops->fault); vma->vm_ops = &shm_vm_ops; shm_open(vma); @@ -329,7 +327,7 @@ static const struct file_operations shm_file_operations = { static struct vm_operations_struct shm_vm_ops = { .open = shm_open, /* callback for a new vm-area open */ .close = shm_close, /* callback for when the vm-area is released */ - .nopage = shm_nopage, + .fault = shm_fault, #if defined(CONFIG_NUMA) .set_policy = shm_set_policy, .get_policy = shm_get_policy, |