diff options
Diffstat (limited to 'vm/pmap.h')
| -rw-r--r-- | vm/pmap.h | 17 |
1 files changed, 3 insertions, 14 deletions
@@ -63,13 +63,10 @@ * but it is not part of the interface. */ -/* During VM initialization, steal a chunk of memory. */ -extern vm_offset_t pmap_steal_memory(vm_size_t); -/* During VM initialization, report remaining unused physical pages. */ -extern unsigned int pmap_free_pages(void); /* During VM initialization, use remaining physical pages to allocate page * frames. */ extern void pmap_startup(vm_offset_t *, vm_offset_t *); + /* Initialization, after kernel runs in virtual memory. */ extern void pmap_init(void); @@ -78,20 +75,12 @@ extern void pmap_init(void); * If machine/pmap.h defines MACHINE_PAGES, it must implement * the above functions. The pmap module has complete control. * Otherwise, it must implement - * pmap_free_pages * pmap_virtual_space - * pmap_next_page * pmap_init - * and vm/vm_resident.c implements pmap_steal_memory and pmap_startup - * using pmap_free_pages, pmap_next_page, pmap_virtual_space, - * and pmap_enter. pmap_free_pages may over-estimate the number - * of unused physical pages, and pmap_next_page may return FALSE - * to indicate that there are no more unused pages to return. - * However, for best performance pmap_free_pages should be accurate. + * and vm/vm_resident.c implements pmap_startup using + * pmap_virtual_space, and pmap_enter. */ -/* During VM initialization, return the next unused physical page. */ -extern boolean_t pmap_next_page(vm_offset_t *); /* During VM initialization, report virtual space available for the kernel. */ extern void pmap_virtual_space(vm_offset_t *, vm_offset_t *); #endif /* MACHINE_PAGES */ |