return -EFBIG;
if (type)
- *type = VM_FAULT_MINOR;
+ *type = 0;
/*
* Normally, filepage is NULL on entry, and either found
if (!swappage) {
shmem_swp_unmap(entry);
/* here we actually do the io */
- if (type && *type == VM_FAULT_MINOR) {
+ if (type && !(*type & VM_FAULT_MAJOR)) {
__count_vm_event(PGMAJFAULT);
- *type = VM_FAULT_MAJOR;
+ *type |= VM_FAULT_MAJOR;
}
spin_unlock(&info->lock);
swappage = shmem_swapin(info, swap, idx);
return error;
}
-static struct page *shmem_fault(struct vm_area_struct *vma,
- struct fault_data *fdata)
+static int shmem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
{
struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
- struct page *page = NULL;
int error;
+ int ret;
- BUG_ON(!(vma->vm_flags & VM_CAN_INVALIDATE));
+ if (((loff_t)vmf->pgoff << PAGE_CACHE_SHIFT) >= i_size_read(inode))
+ return VM_FAULT_SIGBUS;
- if (((loff_t)fdata->pgoff << PAGE_CACHE_SHIFT) >= i_size_read(inode)) {
- fdata->type = VM_FAULT_SIGBUS;
- return NULL;
- }
-
- error = shmem_getpage(inode, fdata->pgoff, &page,
- SGP_FAULT, &fdata->type);
- if (error) {
- fdata->type = ((error == -ENOMEM)?VM_FAULT_OOM:VM_FAULT_SIGBUS);
- return NULL;
- }
+ error = shmem_getpage(inode, vmf->pgoff, &vmf->page, SGP_FAULT, &ret);
+ if (error)
+ return ((error == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS);
- mark_page_accessed(page);
- return page;
+ mark_page_accessed(vmf->page);
+ return ret | VM_FAULT_LOCKED;
}
#ifdef CONFIG_NUMA
{
file_accessed(file);
vma->vm_ops = &shmem_vm_ops;
- vma->vm_flags |= VM_CAN_INVALIDATE | VM_CAN_NONLINEAR;
+ vma->vm_flags |= VM_CAN_NONLINEAR;
return 0;
}
{
shmem_inode_cachep = kmem_cache_create("shmem_inode_cache",
sizeof(struct shmem_inode_info),
- 0, 0, init_once, NULL);
+ 0, 0, init_once);
if (shmem_inode_cachep == NULL)
return -ENOMEM;
return 0;
fput(vma->vm_file);
vma->vm_file = file;
vma->vm_ops = &shmem_vm_ops;
- vma->vm_flags |= VM_CAN_INVALIDATE;
return 0;
}