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-rw-r--r--include/linux/compaction.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/compaction.h b/include/linux/compaction.h
index 4cd4ddf64cc7..d7c8de583a23 100644
--- a/include/linux/compaction.h
+++ b/include/linux/compaction.h
@@ -52,6 +52,10 @@ extern void compaction_defer_reset(struct zone *zone, int order,
bool alloc_success);
extern bool compaction_restarting(struct zone *zone, int order);
+extern int kcompactd_run(int nid);
+extern void kcompactd_stop(int nid);
+extern void wakeup_kcompactd(pg_data_t *pgdat, int order, int classzone_idx);
+
#else
static inline unsigned long try_to_compact_pages(gfp_t gfp_mask,
unsigned int order, int alloc_flags,
@@ -84,6 +88,18 @@ static inline bool compaction_deferred(struct zone *zone, int order)
return true;
}
+static inline int kcompactd_run(int nid)
+{
+ return 0;
+}
+static inline void kcompactd_stop(int nid)
+{
+}
+
+static inline void wakeup_kcompactd(pg_data_t *pgdat, int order, int classzone_idx)
+{
+}
+
#endif /* CONFIG_COMPACTION */
#if defined(CONFIG_COMPACTION) && defined(CONFIG_SYSFS) && defined(CONFIG_NUMA)