s390/nmi: reduce size of percpu variable

Change the flag fields within struct mcck_struct to simple bit fields
to reduce the size of the structure which is used as percpu variable.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/arch/s390/kernel/nmi.c b/arch/s390/kernel/nmi.c
index b3004f4..07302ce 100644 (file)
--- a/arch/s390/kernel/nmi.c
+++ b/arch/s390/kernel/nmi.c
@@ -24,9 +24,9 @@
 #include <asm/ctl_reg.h>
 
 struct mcck_struct {
-       int kill_task;
-       int channel_report;
-       int warning;
+       unsigned int kill_task : 1;
+       unsigned int channel_report : 1;
+       unsigned int warning : 1;
        unsigned int etr_queue : 1;
        unsigned int stp_queue : 1;
        unsigned long mcck_code;