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Diffstat (limited to 'ipc/shm.c')
-rw-r--r--ipc/shm.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/ipc/shm.c b/ipc/shm.c
index 3bdcb9a19910..a86a3a5c8a19 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 +268,9 @@ static int shm_mmap(struct file * file, struct vm_area_struct * vma)
if (ret != 0)
return ret;
sfd->vm_ops = vma->vm_ops;
+#ifdef CONFIG_MMU
+ BUG_ON(!sfd->vm_ops->fault);
+#endif
vma->vm_ops = &shm_vm_ops;
shm_open(vma);
@@ -329,7 +329,7 @@ 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,