1 files changed, 3 insertions, 2 deletions

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index a8d0a58deebc..9e5dfb1896a9 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -847,7 +847,7 @@ static int devkmsg_open(struct inode *inode, struct file *file)
 			return err;
 	}
 
-	user = kmalloc(sizeof(struct devkmsg_user), GFP_KERNEL);
+	user = kvmalloc(sizeof(struct devkmsg_user), GFP_KERNEL);
 	if (!user)
 		return -ENOMEM;
 
@@ -875,7 +875,7 @@ static int devkmsg_release(struct inode *inode, struct file *file)
 	ratelimit_state_exit(&user->rs);
 
 	mutex_destroy(&user->lock);
-	kfree(user);
+	kvfree(user);
 	return 0;
 }
 
@@ -2066,6 +2066,7 @@ u16 printk_parse_prefix(const char *text, int *level,
 	return prefix_len;
 }
 
+__printf(5, 0)
 static u16 printk_sprint(char *text, u16 size, int facility,
 			 enum printk_info_flags *flags, const char *fmt,
 			 va_list args)