Messages in this thread Patch in this message | | | From | Muhammad Falak R Wani <> | Subject | [PATCH] misc: mic: scif: use vma_pages(). | Date | Sat, 21 May 2016 18:41:38 +0530 |
| |
Replace explicit computation of vma page count by a call to vma_pages()
Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com> --- drivers/misc/mic/scif/scif_mmap.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/misc/mic/scif/scif_mmap.c b/drivers/misc/mic/scif/scif_mmap.c index 49cb8f7..9282116 100644 --- a/drivers/misc/mic/scif/scif_mmap.c +++ b/drivers/misc/mic/scif/scif_mmap.c @@ -552,7 +552,7 @@ static void scif_munmap(struct vm_area_struct *vma) { struct scif_endpt *ep; struct vma_pvt *vmapvt = vma->vm_private_data; - int nr_pages = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; + int nr_pages = vma_pages(vma); s64 offset; struct scif_rma_req req; struct scif_window *window = NULL; @@ -614,7 +614,7 @@ int scif_mmap(struct vm_area_struct *vma, scif_epd_t epd) struct scif_window *window = NULL; struct scif_endpt *ep = (struct scif_endpt *)epd; s64 start_offset = vma->vm_pgoff << PAGE_SHIFT; - int nr_pages = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; + int nr_pages = vma_pages(vma); int err; struct vma_pvt *vmapvt; -- 1.9.1
| |