remove unused uvm_mapent_bias()

ok mpi@

diff --git a/sys/uvm/uvm_map.c b/sys/uvm/uvm_map.c
index 931504a..a9661fb 100644 (file)
--- a/sys/uvm/uvm_map.c
+++ b/sys/uvm/uvm_map.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: uvm_map.c,v 1.270 2021/01/19 13:21:36 mpi Exp $       */
+/*     $OpenBSD: uvm_map.c,v 1.271 2021/02/23 11:22:20 jsg Exp $       */
 /*     $NetBSD: uvm_map.c,v 1.86 2000/11/27 08:40:03 chs Exp $ */
 
 /*
@@ -183,7 +183,6 @@ void                         uvm_map_splitentry(struct vm_map*,
                            struct vm_map_entry*, struct vm_map_entry*,
                            vaddr_t);
 vsize_t                         uvm_map_boundary(struct vm_map*, vaddr_t, vaddr_t);
-int                     uvm_mapent_bias(struct vm_map*, struct vm_map_entry*);
 
 /*
  * uvm_vmspace_fork helper functions.
@@ -5377,39 +5376,6 @@ out:
        return error;
 }
 
-/*
- * Determine allocation bias.
- *
- * Returns 1 if we should bias to high addresses, -1 for a bias towards low
- * addresses, or 0 for no bias.
- * The bias mechanism is intended to avoid clashing with brk() and stack
- * areas.
- */
-int
-uvm_mapent_bias(struct vm_map *map, struct vm_map_entry *entry)
-{
-       vaddr_t start, end;
-
-       start = VMMAP_FREE_START(entry);
-       end = VMMAP_FREE_END(entry);
-
-       /* Stay at the top of brk() area. */
-       if (end >= map->b_start && start < map->b_end)
-               return 1;
-       /* Stay at the far end of the stack area. */
-       if (end >= map->s_start && start < map->s_end) {
-#ifdef MACHINE_STACK_GROWS_UP
-               return 1;
-#else
-               return -1;
-#endif
-       }
-
-       /* No bias, this area is meant for us. */
-       return 0;
-}
-
-
 boolean_t
 vm_map_lock_try_ln(struct vm_map *map, char *file, int line)
 {