69 static struct os_info *os_info_old;  variable
80 	addr = os_info_old->entry[nr].addr;  in os_info_old_alloc()
85 	size = os_info_old->entry[nr].size;  in os_info_old_alloc()
97 	if (csum != os_info_old->entry[nr].csum) {  in os_info_old_alloc()
101 	os_info_old->entry[nr].addr = (u64)(unsigned long)buf_align;  in os_info_old_alloc()
107 	os_info_old->entry[nr].addr = 0;  in os_info_old_alloc()
129 	os_info_old = kzalloc(sizeof(*os_info_old), GFP_KERNEL);  in os_info_old_init()
130 	if (!os_info_old)  in os_info_old_init()
132 	if (copy_from_oldmem(os_info_old, (void *) addr, sizeof(*os_info_old)))  in os_info_old_init()
134 	if (os_info_old->magic != OS_INFO_MAGIC)  in os_info_old_init()
136 	if (os_info_old->csum != os_info_csum(os_info_old))  in os_info_old_init()
138 	if (os_info_old->version_major > OS_INFO_VERSION_MAJOR)  in os_info_old_init()
143 		(unsigned long) os_info_old->crashkernel_addr,  in os_info_old_init()
144 		(unsigned long) os_info_old->crashkernel_size);  in os_info_old_init()
148 	kfree(os_info_old);  in os_info_old_init()
151 	os_info_old = NULL;  in os_info_old_init()
161 	if (!os_info_old)  in os_info_old_entry()
163 	if (!os_info_old->entry[nr].addr)  in os_info_old_entry()
165 	*size = (unsigned long) os_info_old->entry[nr].size;  in os_info_old_entry()
166 	return (void *)(unsigned long)os_info_old->entry[nr].addr;  in os_info_old_entry()