1 files changed, 4 insertions, 0 deletions
diff --git a/mm/shmem.c b/mm/shmem.c
index a1b8bf4..8297623 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2819,6 +2819,10 @@ int __init shmem_init(void)
 {
 	int error;
 
+	/* If rootfs called this, don't re-init */
+	if (shmem_inode_cachep)
+		return 0;
+
 	error = bdi_init(&shmem_backing_dev_info);
 	if (error)
 		goto out4;