#endif
/*
- * Map some physical address range into the kernel address space. The
- * code is copied and adapted from map_chunk().
+ * Map some physical address range into the kernel address space.
*/
/* Rewritten by Andreas Schwab to remove all races. */
/*
* Don't allow mappings that wrap..
*/
- if (!size || size > physaddr + size)
+ if (!size || physaddr > (unsigned long)(-size))
return NULL;
#ifdef CONFIG_AMIGA