Needed by zone_reclaim_mode compaction-awareness.
Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
---
include/linux/compaction.h | 10 ++++++++++
mm/compaction.c | 2 +-
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/include/linux/compaction.h b/include/linux/compaction.h
index fc3f266..e953acb 100644
--- a/include/linux/compaction.h
+++ b/include/linux/compaction.h
@@ -23,6 +23,9 @@ extern int fragmentation_index(struct zone *zone, unsigned int order);
extern unsigned long try_to_compact_pages(struct zonelist *zonelist,
int order, gfp_t gfp_mask, nodemask_t *mask,
bool sync, bool *contended);
+extern unsigned long compact_zone_order(struct zone *zone,
+ int order, gfp_t gfp_mask,
+ bool sync, bool *contended);
extern void compact_pgdat(pg_data_t *pgdat, int order);
extern unsigned long compaction_suitable(struct zone *zone, int order);
@@ -79,6 +82,13 @@ static inline unsigned long try_to_compact_pages(struct zonelist *zonelist,
return COMPACT_CONTINUE;
}
+static inline unsigned long compact_zone_order(struct zone *zone,
+ int order, gfp_t gfp_mask,
+ bool sync, bool *contended)
+{
+ return COMPACT_CONTINUE;
+}
+
static inline void compact_pgdat(pg_data_t *pgdat, int order)
{
}
diff --git a/mm/compaction.c b/mm/compaction.c
index afaf692..a1154c8 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1008,7 +1008,7 @@ out:
return ret;
}
-static unsigned long compact_zone_order(struct zone *zone,
+unsigned long compact_zone_order(struct zone *zone,
int order, gfp_t gfp_mask,
bool sync, bool *contended)
{
--
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