2 files changed, 4 insertions, 0 deletions

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 08f6c0be20cf..e87aa058f57a 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -2409,6 +2409,9 @@ int build_segment_manager(struct f2fs_sb_info *sbi)
         sm_info->ssa_blkaddr = le32_to_cpu(raw_super->ssa_blkaddr);
         sm_info->rec_prefree_segments = sm_info->main_segments *
                                         DEF_RECLAIM_PREFREE_SEGMENTS / 100;
+        if (sm_info->rec_prefree_segments > DEF_MAX_RECLAIM_PREFREE_SEGMENTS)
+                sm_info->rec_prefree_segments = DEF_MAX_RECLAIM_PREFREE_SEGMENTS;
+
         if (!test_opt(sbi, LFS))
                 sm_info->ipu_policy = 1 << F2FS_IPU_FSYNC;
         sm_info->min_ipu_util = DEF_MIN_IPU_UTIL;
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 57d450fb4643..b33f73ec60a4 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -16,6 +16,7 @@
 #define NULL_SECNO                      ((unsigned int)(~0))
 
 #define DEF_RECLAIM_PREFREE_SEGMENTS    5       /* 5% over total segments */
+#define DEF_MAX_RECLAIM_PREFREE_SEGMENTS        4096    /* 8GB in maximum */
 
 /* L: Logical segment # in volume, R: Relative segment # in main area */
 #define GET_L2R_SEGNO(free_i, segno)    (segno - free_i->start_segno)