[PATCH] mm: compaction: staticize compact_zone_order

From: Kyungmin Park
Date: Wed Sep 21 2011 - 04:58:59 EST


From: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>

There's no user to use compact_zone_order. So staticize this function.

Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
diff --git a/include/linux/compaction.h b/include/linux/compaction.h
index cc9f7a4..bb2bbdb 100644
--- a/include/linux/compaction.h
+++ b/include/linux/compaction.h
@@ -24,8 +24,6 @@ extern unsigned long try_to_compact_pages(struct zonelist *zonelist,
int order, gfp_t gfp_mask, nodemask_t *mask,
bool sync);
extern unsigned long compaction_suitable(struct zone *zone, int order);
-extern unsigned long compact_zone_order(struct zone *zone, int order,
- gfp_t gfp_mask, bool sync);

/* Do not skip compaction more than 64 times */
#define COMPACT_MAX_DEFER_SHIFT 6
@@ -69,12 +67,6 @@ static inline unsigned long compaction_suitable(struct zone *zone, int order)
return COMPACT_SKIPPED;
}

-static inline unsigned long compact_zone_order(struct zone *zone, int order,
- gfp_t gfp_mask, bool sync)
-{
- return COMPACT_CONTINUE;
-}
-
static inline void defer_compaction(struct zone *zone)
{
}
diff --git a/mm/compaction.c b/mm/compaction.c
index 6cc604b..c17079e 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -586,7 +586,7 @@ out:
return ret;
}

-unsigned long compact_zone_order(struct zone *zone,
+static unsigned long compact_zone_order(struct zone *zone,
int order, gfp_t gfp_mask,
bool sync)
{
--
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