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mm: do_migrate_pages(): rename arguments

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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>
This commit is contained in:
Andrew Morton 2012-05-29 15:06:24 -07:00 committed by Linus Torvalds
parent 4a5b18cc19
commit 0ce72d4f73
2 changed files with 13 additions and 14 deletions
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9
include/linux/mempolicy.h
View file

@ -225,8 +225,8 @@ static inline void check_highest_zone(enum zone_type k)
policy_zone = k; policy_zone = k;
} }
int do_migrate_pages(struct mm_struct *mm, int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from,
const nodemask_t *from_nodes, const nodemask_t *to_nodes, int flags); const nodemask_t *to, int flags);
#ifdef CONFIG_TMPFS #ifdef CONFIG_TMPFS
@ -354,9 +354,8 @@ static inline bool mempolicy_nodemask_intersects(struct task_struct *tsk,
return false; return false;
} }
static inline int do_migrate_pages(struct mm_struct *mm, static inline int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from,
const nodemask_t *from_nodes, const nodemask_t *to, int flags)
const nodemask_t *to_nodes, int flags)
{ {
return 0; return 0;
} }

18
mm/mempolicy.c
View file

@ -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. * Returns the number of page that could not be moved.
*/ */
int do_migrate_pages(struct mm_struct *mm, int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from,
const nodemask_t *from_nodes, const nodemask_t *to_nodes, int flags) const nodemask_t *to, int flags)
{ {
int busy = 0; int busy = 0;
int err; int err;
@ -963,7 +963,7 @@ int do_migrate_pages(struct mm_struct *mm,
down_read(&mm->mmap_sem); down_read(&mm->mmap_sem);
err = migrate_vmas(mm, from_nodes, to_nodes, flags); err = migrate_vmas(mm, from, to, flags);
if (err) if (err)
goto out; 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. * moved to an empty node, then there is nothing left worth migrating.
*/ */
tmp = *from_nodes; tmp = *from;
while (!nodes_empty(tmp)) { while (!nodes_empty(tmp)) {
int s,d; int s,d;
int source = -1; 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. * [0-7] - > [3,4,5] moves only 0,1,2,6,7.
*/ */
if ((nodes_weight(*from_nodes) != nodes_weight(*to_nodes)) && if ((nodes_weight(*from) != nodes_weight(*to)) &&
(node_isset(s, *to_nodes))) (node_isset(s, *to)))
continue; continue;
d = node_remap(s, *from_nodes, *to_nodes); d = node_remap(s, *from, *to);
if (s == d) if (s == d)
continue; 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, int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from,
const nodemask_t *from_nodes, const nodemask_t *to_nodes, int flags) const nodemask_t *to, int flags)
{ {
return -ENOSYS; return -ENOSYS;
} }