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Date: Sat, 21 May 2016 18:41:38 +0530 From: Muhammad Falak R Wani <falakreyaz@...il.com> To: Sudeep Dutt <sudeep.dutt@...el.com> Cc: Ashutosh Dixit <ashutosh.dixit@...el.com>, Nikhil Rao <nikhil.rao@...el.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, linux-kernel@...r.kernel.org (open list) Subject: [PATCH] misc: mic: scif: use vma_pages(). Replace explicit computation of vma page count by a call to vma_pages() Signed-off-by: Muhammad Falak R Wani <falakreyaz@...il.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
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