diff options
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_file_ops.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_file_ops.c | 29 |
1 files changed, 10 insertions, 19 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c index 92dae6f..e7fbb31 100644 --- a/drivers/infiniband/hw/ipath/ipath_file_ops.c +++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c @@ -1120,33 +1120,24 @@ bail: } /* - * ipath_file_vma_nopage - handle a VMA page fault. + * ipath_file_vma_fault - handle a VMA page fault. */ -static struct page *ipath_file_vma_nopage(struct vm_area_struct *vma, - unsigned long address, int *type) +static int ipath_file_vma_fault(struct vm_area_struct *vma, + struct vm_fault *vmf) { - unsigned long offset = address - vma->vm_start; - struct page *page = NOPAGE_SIGBUS; - void *pageptr; + struct page *page; - /* - * Convert the vmalloc address into a struct page. - */ - pageptr = (void *)(offset + (vma->vm_pgoff << PAGE_SHIFT)); - page = vmalloc_to_page(pageptr); + page = vmalloc_to_page((void *)(vmf->pgoff << PAGE_SHIFT)); if (!page) - goto out; - - /* Increment the reference count. */ + return VM_FAULT_SIGBUS; get_page(page); - if (type) - *type = VM_FAULT_MINOR; -out: - return page; + vmf->page = page; + + return 0; } static struct vm_operations_struct ipath_file_vm_ops = { - .nopage = ipath_file_vma_nopage, + .fault = ipath_file_vma_fault, }; static int mmap_kvaddr(struct vm_area_struct *vma, u64 pgaddr, |
