diff options
| -rw-r--r-- | arch/s390/include/asm/os_info.h | 5 | ||||
| -rw-r--r-- | arch/s390/kernel/os_info.c | 1 |
2 files changed, 4 insertions, 2 deletions
diff --git a/arch/s390/include/asm/os_info.h b/arch/s390/include/asm/os_info.h index dea2b37b635e..3ee9e8f5ceae 100644 --- a/arch/s390/include/asm/os_info.h +++ b/arch/s390/include/asm/os_info.h @@ -27,6 +27,7 @@ #define OS_INFO_IMAGE_START 10 #define OS_INFO_IMAGE_END 11 #define OS_INFO_IMAGE_PHYS 12 +#define OS_INFO_MAX 13 #define OS_INFO_FLAG_REIPL_CLEAR (1UL << 0) @@ -46,8 +47,8 @@ struct os_info { u16 version_minor; u64 crashkernel_addr; u64 crashkernel_size; - struct os_info_entry entry[10]; - u8 reserved[3864]; + struct os_info_entry entry[OS_INFO_MAX]; + u8 reserved[3804]; } __packed; void os_info_init(void); diff --git a/arch/s390/kernel/os_info.c b/arch/s390/kernel/os_info.c index cb73860c048d..b695f980bbde 100644 --- a/arch/s390/kernel/os_info.c +++ b/arch/s390/kernel/os_info.c @@ -73,6 +73,7 @@ void __init os_info_init(void) { struct lowcore *abs_lc; + BUILD_BUG_ON(sizeof(struct os_info) != PAGE_SIZE); os_info.version_major = OS_INFO_VERSION_MAJOR; os_info.version_minor = OS_INFO_VERSION_MINOR; os_info.magic = OS_INFO_MAGIC; |