[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>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/um/drivers/mconsole_user.c b/arch/um/drivers/mconsole_user.c
index 5b2f5fe9e426..17068eb746c0 100644
--- a/arch/um/drivers/mconsole_user.c
+++ b/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;