sysctl: Drop & in front of every proc_handler.

For consistency drop & in front of every proc_handler.  Explicity
taking the address is unnecessary and it prevents optimizations
like stubbing the proc_handlers to NULL.

Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>

arch/s390/mm/cmm.c

@@ -343,17 +343,17 @@ static struct ctl_table cmm_table[] = {
 	{
 		.procname	= "cmm_pages",
 		.mode		= 0644,
-		.proc_handler	= &cmm_pages_handler,
+		.proc_handler	= cmm_pages_handler,
 	},
 	{
 		.procname	= "cmm_timed_pages",
 		.mode		= 0644,
-		.proc_handler	= &cmm_pages_handler,
+		.proc_handler	= cmm_pages_handler,
 	},
 	{
 		.procname	= "cmm_timeout",
 		.mode		= 0644,
-		.proc_handler	= &cmm_timeout_handler,
+		.proc_handler	= cmm_timeout_handler,
 	},
 	{ }
 };