* 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
