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* implement uvm_km_alloc/free_poolpage() 

* add silly stubs for uvm_lwp_hold/rele()
This commit is contained in:
pooka 2008-10-10 20:51:44 +00:00
parent 02758afb77
commit 1fbd8b20a8
1 changed files with 31 additions and 1 deletions
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32
sys/rump/librump/rumpkern/vm.c
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@ -1,4 +1,4 @@
/* $NetBSD: vm.c,v 1.39 2008/10/10 20:45:21 pooka Exp $ */
/* $NetBSD: vm.c,v 1.40 2008/10/10 20:51:44 pooka Exp $ */
/*
* Copyright (c) 2007 Antti Kantee. All Rights Reserved.
@ -44,6 +44,7 @@
*/
#include <sys/param.h>
#include <sys/atomic.h>
#include <sys/null.h>
#include <sys/vnode.h>
#include <sys/buf.h>
@ -654,6 +655,21 @@ uvm_pageout_done(int npages)
}
}
/* XXX: following two are unfinished because lwp's are not refcounted yet */
void
uvm_lwp_hold(struct lwp *l)
{
atomic_inc_uint(&l->l_holdcnt);
}
void
uvm_lwp_rele(struct lwp *l)
{
atomic_dec_uint(&l->l_holdcnt);
}
/*
* Kmem
*/
@ -716,3 +732,17 @@ uvm_km_suballoc(struct vm_map *map, vaddr_t *minaddr, vaddr_t *maxaddr,
return (struct vm_map *)417416;
}
vaddr_t
uvm_km_alloc_poolpage(struct vm_map *map, bool waitok)
{
return (vaddr_t)rumpuser_malloc(PAGE_SIZE, !waitok);
}
void
uvm_km_free_poolpage(struct vm_map *map, vaddr_t addr)
{
rumpuser_free((void *)addr);
}