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Backed out vm_map coalesce optimization - it resulted in 22% more page

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faults for reasons unknown ( under investigation ).
    /usr/bin/time -l make in /usr/src/bin went from 67000 faults to 90000
    faults.
This commit is contained in:
dillon 1999-02-08 00:27:56 +00:00
parent c46c87548d
commit ace5ec36e3
1 changed files with 2 additions and 2 deletions
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4
sys/vm/vm_unix.c
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@ -38,7 +38,7 @@
* from: Utah $Hdr: vm_unix.c 1.1 89/11/07$
*
* @(#)vm_unix.c 8.1 (Berkeley) 6/11/93
* $Id: vm_unix.c,v 1.17 1998/10/13 08:24:44 dg Exp $
* $Id: vm_unix.c,v 1.18 1999/02/05 07:49:29 dillon Exp $
*/
/*
@ -98,7 +98,7 @@ obreak(p, uap)
}
diff = new - old;
rv = vm_map_find(&vm->vm_map, NULL, 0, &old, diff, FALSE,
VM_PROT_READ|VM_PROT_WRITE, VM_PROT_ALL, 0);
VM_PROT_ALL, VM_PROT_ALL, 0);
if (rv != KERN_SUCCESS) {
return (ENOMEM);
}