22 static struct os_info os_info __page_aligned_data;
27 u32 os_info_csum(struct os_info *os_info)  in os_info_csum()  argument
29 	int size = sizeof(*os_info) - offsetof(struct os_info, version_major);  in os_info_csum()
30 	return (__force u32)csum_partial(&os_info->version_major, size, 0);  in os_info_csum()
38 	os_info.crashkernel_addr = (u64)(unsigned long)base;  in os_info_crashkernel_add()
39 	os_info.crashkernel_size = (u64)(unsigned long)size;  in os_info_crashkernel_add()
40 	os_info.csum = os_info_csum(&os_info);  in os_info_crashkernel_add()
48 	os_info.entry[nr].addr = (u64)(unsigned long)ptr;  in os_info_entry_add()
49 	os_info.entry[nr].size = size;  in os_info_entry_add()
50 	os_info.entry[nr].csum = (__force u32)csum_partial(ptr, size, 0);  in os_info_entry_add()
51 	os_info.csum = os_info_csum(&os_info);  in os_info_entry_add()
59 	void *ptr = &os_info;  in os_info_init()
61 	os_info.version_major = OS_INFO_VERSION_MAJOR;  in os_info_init()
62 	os_info.version_minor = OS_INFO_VERSION_MINOR;  in os_info_init()
63 	os_info.magic = OS_INFO_MAGIC;  in os_info_init()
64 	os_info.csum = os_info_csum(&os_info);  in os_info_init()
65 	mem_assign_absolute(S390_lowcore.os_info, (unsigned long) ptr);  in os_info_init()
70 static struct os_info *os_info_old;
126 	if (copy_oldmem_kernel(&addr, &S390_lowcore.os_info, sizeof(addr)))  in os_info_old_init()