Use compaction_suit_allocation_order helper in kcompactd_node_suitable to
remove repeat code.

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
---
 mm/compaction.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/mm/compaction.c b/mm/compaction.c
index 26787ebb0297..f4b6c520038a 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -2924,14 +2924,9 @@ static bool kcompactd_node_suitable(pg_data_t *pgdat)
 		if (!populated_zone(zone))
 			continue;
 
-		/* Allocation can already succeed, check other zones */
-		if (zone_watermark_ok(zone, pgdat->kcompactd_max_order,
-				      min_wmark_pages(zone),
-				      highest_zoneidx, 0))
-			continue;
-
-		if (compaction_suitable(zone, pgdat->kcompactd_max_order,
-					highest_zoneidx))
+		if (compaction_suit_allocation_order(zone,
+				pgdat->kcompactd_max_order,
+				highest_zoneidx, 0) == COMPACT_CONTINUE)
 			return true;
 	}
 
-- 
2.30.0