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Diffstat (limited to 'include/linux/compaction.h')
-rw-r--r--include/linux/compaction.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/compaction.h b/include/linux/compaction.h
index 5ac51552d90..2592883d862 100644
--- a/include/linux/compaction.h
+++ b/include/linux/compaction.h
@@ -22,6 +22,9 @@ extern int sysctl_extfrag_handler(struct ctl_table *table, int write,
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);
+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);
/* Do not skip compaction more than 64 times */
#define COMPACT_MAX_DEFER_SHIFT 6
@@ -59,6 +62,17 @@ static inline unsigned long try_to_compact_pages(struct zonelist *zonelist,
return COMPACT_CONTINUE;
}
+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)
+{
+ return 0;
+}
+
static inline void defer_compaction(struct zone *zone)
{
}