From ceb23bccb60c64de9d170e4b901a67f038e021fc Mon Sep 17 00:00:00 2001 From: dyson Date: Wed, 3 Apr 1996 05:23:44 +0000 Subject: Fixed a problem that the UPAGES of a process were being run down in a suboptimal manner. I had also noticed some panics that appeared to be at least superficially caused by this problem. Also, included are some minor mods to support more general handling of page table page faulting. More details in a future commit. --- sys/vm/vm_map.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) (limited to 'sys/vm/vm_map.c') diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c index f3ad976..26b6446 100644 --- a/sys/vm/vm_map.c +++ b/sys/vm/vm_map.c @@ -61,7 +61,7 @@ * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. * - * $Id: vm_map.c,v 1.40 1996/03/28 04:22:17 dyson Exp $ + * $Id: vm_map.c,v 1.41 1996/03/28 04:53:24 dyson Exp $ */ /* @@ -226,7 +226,8 @@ vmspace_alloc(min, max, pageable) bzero(vm, (caddr_t) &vm->vm_startcopy - (caddr_t) vm); vm_map_init(&vm->vm_map, min, max, pageable); pmap_pinit(&vm->vm_pmap); - vm->vm_map.pmap = &vm->vm_pmap; /* XXX */ + vm->vm_map.pmap = &vm->vm_pmap; /* XXX */ + vm->vm_pmap.pm_map = &vm->vm_map; vm->vm_refcnt = 1; return (vm); } @@ -242,10 +243,6 @@ vmspace_free(vm) if (--vm->vm_refcnt == 0) { int s, i; -/* - pmap_remove(&vm->vm_pmap, (vm_offset_t) kstack, (vm_offset_t) kstack+UPAGES*PAGE_SIZE); -*/ - /* * Lock the map, to wait out all other references to it. * Delete all of the mappings and pages they hold, then call @@ -254,7 +251,6 @@ vmspace_free(vm) vm_map_lock(&vm->vm_map); (void) vm_map_delete(&vm->vm_map, vm->vm_map.min_offset, vm->vm_map.max_offset); - vm_object_deallocate(vm->vm_upages_obj); vm_map_unlock(&vm->vm_map); while( vm->vm_map.ref_count != 1) tsleep(&vm->vm_map.ref_count, PVM, "vmsfre", 0); -- cgit v1.1