70 static struct os_info *os_info_old;  variable
81 	addr = os_info_old->entry[nr].addr;  in os_info_old_alloc()
86 	size = os_info_old->entry[nr].size;  in os_info_old_alloc()
98 	if (csum != os_info_old->entry[nr].csum) {  in os_info_old_alloc()
102 	os_info_old->entry[nr].addr = (u64)(unsigned long)buf_align;  in os_info_old_alloc()
108 	os_info_old->entry[nr].addr = 0;  in os_info_old_alloc()
130 	os_info_old = kzalloc(sizeof(*os_info_old), GFP_KERNEL);  in os_info_old_init()
131 	if (!os_info_old)  in os_info_old_init()
133 	if (copy_oldmem_kernel(os_info_old, (void *) addr,  in os_info_old_init()
134 			       sizeof(*os_info_old)))  in os_info_old_init()
136 	if (os_info_old->magic != OS_INFO_MAGIC)  in os_info_old_init()
138 	if (os_info_old->csum != os_info_csum(os_info_old))  in os_info_old_init()
140 	if (os_info_old->version_major > OS_INFO_VERSION_MAJOR)  in os_info_old_init()
145 		(unsigned long) os_info_old->crashkernel_addr,  in os_info_old_init()
146 		(unsigned long) os_info_old->crashkernel_size);  in os_info_old_init()
150 	kfree(os_info_old);  in os_info_old_init()
153 	os_info_old = NULL;  in os_info_old_init()
163 	if (!os_info_old)  in os_info_old_entry()
165 	if (!os_info_old->entry[nr].addr)  in os_info_old_entry()
167 	*size = (unsigned long) os_info_old->entry[nr].size;  in os_info_old_entry()
168 	return (void *)(unsigned long)os_info_old->entry[nr].addr;  in os_info_old_entry()