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>

diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
index 7c727a90d70da6229afeb9c9cf7c8601841863e2..4aa42732e47f34ca29392180fbee0fc73a086cd2 100644 (file)
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -225,8 +225,8 @@ static inline void check_highest_zone(enum zone_type k)
                policy_zone = k;
 }
 
-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);
 
 
 #ifdef CONFIG_TMPFS
@@ -354,9 +354,8 @@ static inline bool mempolicy_nodemask_intersects(struct task_struct *tsk,
        return false;
 }
 
-static inline int do_migrate_pages(struct mm_struct *mm,
-                       const nodemask_t *from_nodes,
-                       const nodemask_t *to_nodes, int flags)
+static inline int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from,
+                                  const nodemask_t *to, int flags)
 {
        return 0;
 }

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 7eb2f4c709fb8531b120ee2e3ba87e1d7097235d..03f8e8ef3616b2711151336f1cbb64df24db0655 100644 (file)
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -957,8 +957,8 @@ 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;
@@ -970,7 +970,7 @@ 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;
 
@@ -1005,7 +1005,7 @@ 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;
@@ -1028,11 +1028,11 @@ 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;
 
@@ -1092,8 +1092,8 @@ 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;
 }