diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 307893ca1bdc..9f6a028deec7 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1452,6 +1452,8 @@ struct f2fs_sb_info {
 	/* migration granularity of garbage collection, unit: segment */
 	unsigned int migration_granularity;
 
+	atomic_t no_cp_fsync_pages;
+
 	/*
 	 * for stat information.
 	 * one is for the LFS mode, and the other is for the SSR mode.
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 479d95b7e7b9..cda48a564ffa 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -227,6 +227,25 @@ static void try_to_fix_pino(struct inode *inode)
 	up_write(&fi->i_sem);
 }
 
+static bool f2fs_update_fsync_count(struct f2fs_sb_info *sbi,
+					unsigned int npages)
+{
+	struct sysinfo val;
+	unsigned long avail_ram;
+
+	si_meminfo(&val);
+
+	/* only uses low memory */
+	avail_ram = val.totalram - val.totalhigh;
+	avail_ram = (avail_ram * DEF_RAM_THRESHOLD) / 100;
+
+	if ((atomic_read(&sbi->no_cp_fsync_pages) + npages) > avail_ram)
+		return false;
+
+	atomic_add(npages, &sbi->no_cp_fsync_pages);
+	return true;
+}
+
 static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end,
 						int datasync, bool atomic)
 {
@@ -234,6 +253,7 @@ static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end,
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 	nid_t ino = inode->i_ino;
 	int ret = 0;
+	unsigned int npages = 0;
 	enum cp_reason_type cp_reason = 0;
 	struct writeback_control wbc = {
 		.sync_mode = WB_SYNC_ALL,
@@ -261,6 +281,7 @@ static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end,
 		goto go_write;
 
 	/* if fdatasync is triggered, let's do in-place-update */
+	npages = get_dirty_pages(inode);
 	if (datasync || get_dirty_pages(inode) <= SM_I(sbi)->min_fsync_blocks)
 		set_inode_flag(inode, FI_NEED_IPU);
 	ret = file_write_and_wait_range(file, start, end);
@@ -301,7 +322,7 @@ go_write:
 	cp_reason = need_do_checkpoint(inode);
 	up_read(&F2FS_I(inode)->i_sem);
 
-	if (cp_reason) {
+	if (cp_reason || !f2fs_update_fsync_count(sbi, npages)) {
 		/* all the dirty node pages should be flushed for POR */
 		ret = f2fs_sync_fs(inode->i_sb, 1);
 
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 07a7e3ff4600..896c30e7c48d 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1256,6 +1256,7 @@ int f2fs_sync_fs(struct super_block *sb, int sync)
 
 		cpc.reason = __get_cp_reason(sbi);
 
+		atomic_set(&sbi->no_cp_fsync_pages, 0);
 		down_write(&sbi->gc_lock);
 		err = f2fs_write_checkpoint(sbi, &cpc);
 		up_write(&sbi->gc_lock);
@@ -3610,6 +3611,8 @@ try_onemore:
 
 	f2fs_build_gc_manager(sbi);
 
+	atomic_set(&sbi->no_cp_fsync_pages, 0);
+
 	err = f2fs_build_stats(sbi);
 	if (err)
 		goto free_nm;