IB/ipath: Convert from .nopage to .fault

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

2 files changed, 12 insertions, 21 deletions

diff --git a/drivers/infiniband/hw/ipath/ipath_debug.h b/drivers/infiniband/hw/ipath/ipath_debug.h
index 19c56e6491eb..d6f69532d83f 100644
--- a/drivers/infiniband/hw/ipath/ipath_debug.h
+++ b/drivers/infiniband/hw/ipath/ipath_debug.h
@@ -55,7 +55,7 @@
 #define __IPATH_PKTDBG      0x80        /* print packet data */
 /* print process startup (init)/exit messages */
 #define __IPATH_PROCDBG     0x100
-/* print mmap/nopage stuff, not using VDBG any more */
+/* print mmap/fault stuff, not using VDBG any more */
 #define __IPATH_MMDBG       0x200
 #define __IPATH_ERRPKTDBG   0x400
 #define __IPATH_USER_SEND   0x1000      /* use user mode send */
@@ -81,7 +81,7 @@
 #define __IPATH_VERBDBG   0x0   /* very verbose debug */
 #define __IPATH_PKTDBG    0x0   /* print packet data */
 #define __IPATH_PROCDBG   0x0   /* process startup (init)/exit messages */
-/* print mmap/nopage stuff, not using VDBG any more */
+/* print mmap/fault stuff, not using VDBG any more */
 #define __IPATH_MMDBG     0x0
 #define __IPATH_EPKTDBG   0x0   /* print ethernet packet data */
 #define __IPATH_IPATHDBG  0x0   /* Ethernet (IPATH) table dump on */
diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c
index 92dae6f5b395..e7fbb31a48a0 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,