pagezero
pagezero(pmap_map_direct(pg));
void pagezero(vaddr_t);
#define PAGE0 ((struct pagezero *)0) /* can't get any lower than this! */
extern void (*pagezero)(void *, size_t);
pagezero = i686_pagezero;
extern void (*pagezero)(void *, size_t);
pagezero = sse2_pagezero;
pagezero = i686_pagezero;
extern void (*pagezero)(void *, size_t);
pagezero = sse2_pagezero;
pagezero = i686_pagezero;
void (*pagezero)(void *, size_t) = bzero;
pagezero(zerova, PAGE_SIZE); /* zero */
extern void (*pagezero)(void *, size_t);
pagezero(zerova, PAGE_SIZE); /* zero */
void pagezero(vaddr_t);
pagezero(va);
pagezero(va + PAGE_SIZE);
pagezero(va);
pagezero(va);