diff options
Diffstat (limited to 'vm/pmap.h')
| -rw-r--r-- | vm/pmap.h | 14 |
1 files changed, 3 insertions, 11 deletions
@@ -65,8 +65,6 @@ /* 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); /* Initialization, after kernel runs in virtual memory. */ extern void pmap_init(void); @@ -75,14 +73,10 @@ 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_init * and vm/vm_resident.c implements pmap_steal_memory using - * pmap_free_pages, pmap_virtual_space, and pmap_enter. - * - * pmap_free_pages may over-estimate the number of unused physical pages. - * However, for best performance pmap_free_pages should be accurate. + * pmap_virtual_space and pmap_enter. */ /* During VM initialization, report virtual space available for the kernel. */ @@ -186,8 +180,6 @@ extern kern_return_t pmap_attribute(void); */ extern vm_offset_t pmap_grab_page (void); -extern boolean_t pmap_valid_page(vm_offset_t x); - /* * Make the specified pages (by pmap, offset) * pageable (or not) as requested. @@ -200,8 +192,8 @@ extern void pmap_pageable( /* * Back-door routine for mapping kernel VM at initialization. - * Useful for mapping memory outside the range - * [phys_first_addr, phys_last_addr) (i.e., devices). + * Useful for mapping memory outside the range of direct mapped + * physical memory (i.e., devices). * Otherwise like pmap_map. */ extern vm_offset_t pmap_map_bd( |