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Added some code that was accidently left out early in the 1.x -> 2.0 VM

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system conversion.
Submitted by:	John Dyson
This commit is contained in:
dg 1994-08-04 19:40:47 +00:00
parent ff2412428c
commit 59c5150a6a
1 changed files with 10 additions and 1 deletions
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11
sys/vm/vm_map.c
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@ -61,7 +61,7 @@
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*
* $Id$
* $Id: vm_map.c,v 1.3 1994/08/02 07:55:25 davidg Exp $
*/
/*
@ -190,6 +190,15 @@ vmspace_alloc(min, max, pageable)
int pageable;
{
register struct vmspace *vm;
if (mapvmpgcnt == 0 && mapvm == 0) {
int s;
mapvmpgcnt = (cnt.v_page_count * sizeof(struct vm_map_entry) + PAGE_SIZE - 1) / PAGE_SIZE;
s = splhigh();
mapvm = kmem_alloc_pageable(kmem_map, mapvmpgcnt * PAGE_SIZE);
splx(s);
if (!mapvm)
mapvmpgcnt = 0;
}
MALLOC(vm, struct vmspace *, sizeof(struct vmspace), M_VMMAP, M_WAITOK);
bzero(vm, (caddr_t) &vm->vm_startcopy - (caddr_t) vm);