diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_debug.h | 4 | ||||
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_file_ops.c | 29 |
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 19c56e6491e..d6f69532d83 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 92dae6f5b39..e7fbb31a48a 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, |