staging: rdma: hfi1: file_ops: Replace ALIGN with PAGE_ALIGN

mm.h contains a helper function PAGE_ALIGN which aligns the pointer
to the page boundary instead of using ALIGN(expression, PAGE_SIZE)

This change was made with the help of the following Coccinelle
semantic patch:
//<smpl>
@@
expression e;
symbol PAGE_SIZE;
@@
(
- ALIGN(e, PAGE_SIZE)
+ PAGE_ALIGN(e)
|
- IS_ALIGNED(e, PAGE_SIZE)
+ PAGE_ALIGNED(e)
)
//</smpl>

Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rdma/hfi1/file_ops.c

@@ -487,8 +487,7 @@ static int hfi1_file_mmap(struct file *fp, struct vm_area_struct *vma)
 		 * Map only the amount allocated to the context, not the
 		 * entire available context's PIO space.
 		 */
-		memlen = ALIGN(uctxt->sc->credits * PIO_BLOCK_SIZE,
-			       PAGE_SIZE);
+		memlen = PAGE_ALIGN(uctxt->sc->credits * PIO_BLOCK_SIZE);
 		flags &= ~VM_MAYREAD;
 		flags |= VM_DONTCOPY | VM_DONTEXPAND;
 		vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
@@ -638,7 +637,7 @@ static int hfi1_file_mmap(struct file *fp, struct vm_area_struct *vma)
 			goto done;
 		}
 		memaddr = (u64)cq->comps;
-		memlen = ALIGN(sizeof(*cq->comps) * cq->nentries, PAGE_SIZE);
+		memlen = PAGE_ALIGN(sizeof(*cq->comps) * cq->nentries);
 		flags |= VM_IO | VM_DONTEXPAND;
 		vmf = 1;
 		break;