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authorAndrew Morton <akpm@linux-foundation.org>2013-02-22 16:32:33 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-23 17:50:10 -0800
commit7103f16dbff20fa969c9500902d980d17f953fa6 (patch)
tree96d9bd87587789d4186df826f430e4fb60e67643 /mm/compaction.c
parent1998cc048901109a29924380b8e91bc049b32951 (diff)
downloadlinux-7103f16dbff20fa969c9500902d980d17f953fa6.tar.gz
mm: compaction: make __compact_pgdat() and compact_pgdat() return void
These functions always return 0. Formalise this. Cc: Jason Liu <r64343@freescale.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Minchan Kim <minchan@kernel.org> Cc: Rik van Riel <riel@redhat.com> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/compaction.c')
-rw-r--r--mm/compaction.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/mm/compaction.c b/mm/compaction.c
index 0d0248db36d..5d5b0b259bc 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1085,7 +1085,7 @@ unsigned long try_to_compact_pages(struct zonelist *zonelist,
/* Compact all zones within a node */
-static int __compact_pgdat(pg_data_t *pgdat, struct compact_control *cc)
+static void __compact_pgdat(pg_data_t *pgdat, struct compact_control *cc)
{
int zoneid;
struct zone *zone;
@@ -1118,28 +1118,26 @@ static int __compact_pgdat(pg_data_t *pgdat, struct compact_control *cc)
VM_BUG_ON(!list_empty(&cc->freepages));
VM_BUG_ON(!list_empty(&cc->migratepages));
}
-
- return 0;
}
-int compact_pgdat(pg_data_t *pgdat, int order)
+void compact_pgdat(pg_data_t *pgdat, int order)
{
struct compact_control cc = {
.order = order,
.sync = false,
};
- return __compact_pgdat(pgdat, &cc);
+ __compact_pgdat(pgdat, &cc);
}
-static int compact_node(int nid)
+static void compact_node(int nid)
{
struct compact_control cc = {
.order = -1,
.sync = true,
};
- return __compact_pgdat(NODE_DATA(nid), &cc);
+ __compact_pgdat(NODE_DATA(nid), &cc);
}
/* Compact all nodes in the system */