diff options
| -rw-r--r-- | mm/compaction.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/compaction.c b/mm/compaction.c index 3319e0872d01..6cc4bea33dcb 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -1164,7 +1164,9 @@ static bool suitable_migration_target(struct compact_control *cc, static inline unsigned int freelist_scan_limit(struct compact_control *cc) { - return (COMPACT_CLUSTER_MAX >> cc->fast_search_fail) + 1; + unsigned short shift = BITS_PER_LONG - 1; + + return (COMPACT_CLUSTER_MAX >> min(shift, cc->fast_search_fail)) + 1; } /* |