mm: do_migrate_pages(): rename arguments

s/from_nodes/from and s/to_nodes/to/.  The "_nodes" is redundant - it
duplicates the argument's type.

Done in a fit of irritation over 80-col issues :(

Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <mkosaki@redhat.com>
Cc: Larry Woodman <lwoodman@redhat.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 9 insertions, 9 deletions

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index d3c5de47ff6d..f15c1b24ca18 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -950,8 +950,8 @@ static int migrate_to_node(struct mm_struct *mm, int source, int dest,
  *
  * Returns the number of page that could not be moved.
  */
-int do_migrate_pages(struct mm_struct *mm,
-        const nodemask_t *from_nodes, const nodemask_t *to_nodes, int flags)
+int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from,
+                     const nodemask_t *to, int flags)
 {
         int busy = 0;
         int err;
@@ -963,7 +963,7 @@ int do_migrate_pages(struct mm_struct *mm,
 
         down_read(&mm->mmap_sem);
 
-        err = migrate_vmas(mm, from_nodes, to_nodes, flags);
+        err = migrate_vmas(mm, from, to, flags);
         if (err)
                 goto out;
 
@@ -998,7 +998,7 @@ int do_migrate_pages(struct mm_struct *mm,
          * moved to an empty node, then there is nothing left worth migrating.
          */
 
-        tmp = *from_nodes;
+        tmp = *from;
         while (!nodes_empty(tmp)) {
                 int s,d;
                 int source = -1;
@@ -1021,11 +1021,11 @@ int do_migrate_pages(struct mm_struct *mm,
                          *          [0-7] - > [3,4,5] moves only 0,1,2,6,7.
                          */
 
-                        if ((nodes_weight(*from_nodes) != nodes_weight(*to_nodes)) &&
-                                                (node_isset(s, *to_nodes)))
+                        if ((nodes_weight(*from) != nodes_weight(*to)) &&
+                                                (node_isset(s, *to)))
                                 continue;
 
-                        d = node_remap(s, *from_nodes, *to_nodes);
+                        d = node_remap(s, *from, *to);
                         if (s == d)
                                 continue;
 
@@ -1085,8 +1085,8 @@ static void migrate_page_add(struct page *page, struct list_head *pagelist,
 {
 }
 
-int do_migrate_pages(struct mm_struct *mm,
-        const nodemask_t *from_nodes, const nodemask_t *to_nodes, int flags)
+int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from,
+                     const nodemask_t *to, int flags)
 {
         return -ENOSYS;
 }