[PATCH] uml: stack consumption reduction

Fix some stack abuse in the sysrq t path.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/um/drivers/mconsole_user.c

@@ -131,6 +131,10 @@ int mconsole_get_request(int fd, struct mc_request *req)
 int mconsole_reply_len(struct mc_request *req, const char *str, int total,
 		       int err, int more)
 {
+	/* XXX This is a stack consumption problem.  It'd be nice to
+	 * make it global and serialize access to it, but there are a
+	 * ton of callers to this function.
+	 */
 	struct mconsole_reply reply;
 	int len, n;