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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@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -552,7 +552,7 @@ static void scif_munmap(struct vm_area_struct *vma)
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{
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struct scif_endpt *ep;
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struct vma_pvt *vmapvt = vma->vm_private_data;
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int nr_pages = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
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int nr_pages = vma_pages(vma);
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s64 offset;
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struct scif_rma_req req;
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struct scif_window *window = NULL;
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@ -614,7 +614,7 @@ int scif_mmap(struct vm_area_struct *vma, scif_epd_t epd)
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struct scif_window *window = NULL;
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struct scif_endpt *ep = (struct scif_endpt *)epd;
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s64 start_offset = vma->vm_pgoff << PAGE_SHIFT;
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int nr_pages = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
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int nr_pages = vma_pages(vma);
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int err;
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struct vma_pvt *vmapvt;
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