* i386/intel/pmap.c: removed these unused functions: pmap_page_table_page_dealloc and pmap_page_table_page_alloc
i386/intel/pmap.c:1265:1: warning: 'pmap_page_table_page_dealloc' defined but not used [-Wunused-function] 1265 | pmap_page_table_page_dealloc(vm_offset_t pa) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ i386/intel/pmap.c:1171:1: warning: 'pmap_page_table_page_alloc' defined but not used [-Wunused-function] 1171 | pmap_page_table_page_alloc(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ --- i386/intel/pmap.c | 76 ----------------------------------------------- 1 file changed, 76 deletions(-) diff --git a/i386/intel/pmap.c b/i386/intel/pmap.c index 94c580e7..deaa348c 100644 --- a/i386/intel/pmap.c +++ b/i386/intel/pmap.c @@ -1159,58 +1159,6 @@ valid_page(phys_addr_t addr) return (p != NULL); } -/* - * Routine: pmap_page_table_page_alloc - * - * Allocates a new physical page to be used as a page-table page. - * - * Must be called with the pmap system and the pmap unlocked, - * since these must be unlocked to use vm_page_grab. - */ -static vm_offset_t -pmap_page_table_page_alloc(void) -{ - vm_page_t m; - phys_addr_t pa; - - check_simple_locks(); - - /* - * We cannot allocate the pmap_object in pmap_init, - * because it is called before the cache package is up. - * Allocate it now if it is missing. - */ - if (pmap_object == VM_OBJECT_NULL) - pmap_object = vm_object_allocate(vm_page_table_size() * PAGE_SIZE); - - /* - * Allocate a VM page for the level 2 page table entries. - */ - while ((m = vm_page_grab(VM_PAGE_DIRECTMAP)) == VM_PAGE_NULL) - VM_PAGE_WAIT((void (*)()) 0); - - /* - * Map the page to its physical address so that it - * can be found later. - */ - pa = m->phys_addr; - assert(pa == (vm_offset_t) pa); - vm_object_lock(pmap_object); - vm_page_insert(m, pmap_object, pa); - vm_page_lock_queues(); - vm_page_wire(m); - inuse_ptepages_count++; - vm_page_unlock_queues(); - vm_object_unlock(pmap_object); - - /* - * Zero the page. - */ - memset((void *)phystokv(pa), 0, PAGE_SIZE); - - return pa; -} - #ifdef MACH_XEN void pmap_map_mfn(void *_addr, unsigned long mfn) { vm_offset_t addr = (vm_offset_t) _addr; @@ -1256,30 +1204,6 @@ void pmap_map_mfn(void *_addr, unsigned long mfn) { } #endif /* MACH_XEN */ -/* - * Deallocate a page-table page. - * The page-table page must have all mappings removed, - * and be removed from its page directory. - */ -static void -pmap_page_table_page_dealloc(vm_offset_t pa) -{ - vm_page_t m; - - vm_object_lock(pmap_object); - m = vm_page_lookup(pmap_object, pa); - vm_page_lock_queues(); -#ifdef MACH_PV_PAGETABLES - if (!hyp_mmuext_op_mfn (MMUEXT_UNPIN_TABLE, pa_to_mfn(pa))) - panic("couldn't unpin page %llx(%lx)\n", pa, (vm_offset_t) kv_to_ma(pa)); - pmap_set_page_readwrite((void*) phystokv(pa)); -#endif /* MACH_PV_PAGETABLES */ - vm_page_free(m); - inuse_ptepages_count--; - vm_page_unlock_queues(); - vm_object_unlock(pmap_object); -} - /* * Create and return a physical map. * -- 2.45.2