free_init_pages
free_init_pages("unused PROM memory", PAGE_SIZE, end);
free_init_pages("prom memory",
extern void free_init_pages(const char *what,
free_init_pages("unused kernel", __pa_symbol((unsigned long *)begin),
void free_init_pages(const char *what, unsigned long begin, unsigned long end);
free_init_pages("SMP alternatives",
free_init_pages(what, begin_ul, end_ul);
free_init_pages("initrd", start, PAGE_ALIGN(end));
free_init_pages("unused decrypted", vaddr, vaddr_end);