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Add uvm_km_valloc_prefer_wait(). Used to valloc with the passed in 

voff_t being passed to PMAP_PREFER(), which results in the propper
virtual alignment of the allocated space.
This commit is contained in:
jeffs 2000-07-24 20:10:51 +00:00
parent 43301f1fee
commit 05dfa34e69
2 changed files with 16 additions and 5 deletions
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4
sys/uvm/uvm_extern.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: uvm_extern.h,v 1.45 2000/06/27 16:16:43 mrg Exp $ */
/* $NetBSD: uvm_extern.h,v 1.46 2000/07/24 20:10:51 jeffs Exp $ */
/*
*
@ -453,6 +453,8 @@ struct vm_map *uvm_km_suballoc __P((vm_map_t, vaddr_t *,
boolean_t, vm_map_t));
vaddr_t uvm_km_valloc __P((vm_map_t, vsize_t));
vaddr_t uvm_km_valloc_wait __P((vm_map_t, vsize_t));
vaddr_t uvm_km_valloc_prefer_wait __P((vm_map_t, vsize_t,
voff_t));
vaddr_t uvm_km_alloc_poolpage1 __P((vm_map_t,
struct uvm_object *, boolean_t));
void uvm_km_free_poolpage1 __P((vm_map_t, vaddr_t));

17
sys/uvm/uvm_km.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: uvm_km.c,v 1.37 2000/06/27 17:29:24 mrg Exp $ */
/* $NetBSD: uvm_km.c,v 1.38 2000/07/24 20:10:53 jeffs Exp $ */
/*
* Copyright (c) 1997 Charles D. Cranor and Washington University.
@ -806,12 +806,13 @@ uvm_km_valloc(map, size)
*/
vaddr_t
uvm_km_valloc_wait(map, size)
uvm_km_valloc_prefer_wait(map, size, prefer)
vm_map_t map;
vsize_t size;
voff_t prefer;
{
vaddr_t kva;
UVMHIST_FUNC("uvm_km_valloc_wait"); UVMHIST_CALLED(maphist);
UVMHIST_FUNC("uvm_km_valloc_prefer_wait"); UVMHIST_CALLED(maphist);
UVMHIST_LOG(maphist, "(map=0x%x, size=0x%x)", map, size, 0,0);
@ -833,7 +834,7 @@ uvm_km_valloc_wait(map, size)
*/
if (__predict_true(uvm_map(map, &kva, size, uvm.kernel_object,
UVM_UNKNOWN_OFFSET, UVM_MAPFLAG(UVM_PROT_ALL,
prefer, UVM_MAPFLAG(UVM_PROT_ALL,
UVM_PROT_ALL, UVM_INH_NONE, UVM_ADV_RANDOM, 0))
== KERN_SUCCESS)) {
UVMHIST_LOG(maphist,"<- done (kva=0x%x)", kva,0,0,0);
@ -850,6 +851,14 @@ uvm_km_valloc_wait(map, size)
/*NOTREACHED*/
}
vaddr_t
uvm_km_valloc_wait(map, size)
vm_map_t map;
vsize_t size;
{
return uvm_km_valloc_prefer_wait(map, size, UVM_UNKNOWN_OFFSET);
}
/* Sanity; must specify both or none. */
#if (defined(PMAP_MAP_POOLPAGE) || defined(PMAP_UNMAP_POOLPAGE)) && \
(!defined(PMAP_MAP_POOLPAGE) || !defined(PMAP_UNMAP_POOLPAGE))