mm: remove useless vma parameter to offset_il_node

While reading the code I found that offset_il_node() has a vm_area_struct pointer parameter which is unused. Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Laurent Dufour <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
ambv · Sep 9, 2017 · 98c70ba · 98c70ba
1 parent de540a9
commit 98c70ba
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
@@ -1745,8 +1745,7 @@ unsigned int mempolicy_slab_node(void)
  * node in pol->v.nodes (starting from n=0), wrapping around if n exceeds the
  * number of present nodes.
  */
-static unsigned offset_il_node(struct mempolicy *pol,
-			       struct vm_area_struct *vma, unsigned long n)
+static unsigned offset_il_node(struct mempolicy *pol, unsigned long n)
 {
 	unsigned nnodes = nodes_weight(pol->v.nodes);
 	unsigned target;
@@ -1779,7 +1778,7 @@ static inline unsigned interleave_nid(struct mempolicy *pol,
 		BUG_ON(shift < PAGE_SHIFT);
 		off = vma->vm_pgoff >> (shift - PAGE_SHIFT);
 		off += (addr - vma->vm_start) >> shift;
-		return offset_il_node(pol, vma, off);
+		return offset_il_node(pol, off);
 	} else
 		return interleave_nodes(pol);
 }
@@ -2247,7 +2246,7 @@ int mpol_misplaced(struct page *page, struct vm_area_struct *vma, unsigned long
 
 		pgoff = vma->vm_pgoff;
 		pgoff += (addr - vma->vm_start) >> PAGE_SHIFT;
-		polnid = offset_il_node(pol, vma, pgoff);
+		polnid = offset_il_node(pol, pgoff);
 		break;
 
 	case MPOL_PREFERRED: