kernel: acct: fix duplicate word in comment

Fix the duplicate word "kernel" in the comment on line 247.

Signed-off-by: haoyu.lu <hechushiguitu666@gmail.com>
Link: https://patch.msgid.link/20260326055628.10773-1-hechushiguitu666@gmail.com
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>

Author: haoyu.lu

kernel/acct.c

@@ -244,7 +244,7 @@ static int acct_on(const char __user *name)
 	if (!S_ISREG(file_inode(file)->i_mode))
 		return -EACCES;
 
-	/* Exclude kernel kernel internal filesystems. */
+	/* Exclude kernel internal filesystems. */
 	if (file_inode(file)->i_sb->s_flags & (SB_NOUSER | SB_KERNMOUNT))
 		return -EINVAL;