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author | alc <alc@FreeBSD.org> | 1999-05-14 23:09:34 +0000 |
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committer | alc <alc@FreeBSD.org> | 1999-05-14 23:09:34 +0000 |
commit | e79d7db00beb4a2937430bdd6fc71ca1c91c6145 (patch) | |
tree | 1c85af899d8377c05ffc720589de279d803bb9fe /sys/vm/vm_map.c | |
parent | 188a2f4871a753bcb906e6c1502ee302010b2390 (diff) | |
download | FreeBSD-src-e79d7db00beb4a2937430bdd6fc71ca1c91c6145.zip FreeBSD-src-e79d7db00beb4a2937430bdd6fc71ca1c91c6145.tar.gz |
Simplify vm_map_find/insert's interface: remove the MAP_COPY_NEEDED option.
It never makes sense to specify MAP_COPY_NEEDED without also specifying
MAP_COPY_ON_WRITE, and vice versa. Thus, MAP_COPY_ON_WRITE suffices.
Reviewed by: David Greenman <dg@root.com>
Diffstat (limited to 'sys/vm/vm_map.c')
-rw-r--r-- | sys/vm/vm_map.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c index f065a80..f43164e 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 1.159 1999/03/27 23:46:04 alc Exp $ + * $Id: vm_map.c,v 1.160 1999/04/04 07:11:02 alc Exp $ */ /* @@ -462,11 +462,9 @@ vm_map_insert(vm_map_t map, vm_object_t object, vm_ooffset_t offset, return (KERN_NO_SPACE); protoeflags = 0; - if (cow & MAP_COPY_NEEDED) - protoeflags |= MAP_ENTRY_NEEDS_COPY; if (cow & MAP_COPY_ON_WRITE) - protoeflags |= MAP_ENTRY_COW; + protoeflags |= MAP_ENTRY_COW|MAP_ENTRY_NEEDS_COPY; if (cow & MAP_NOFAULT) protoeflags |= MAP_ENTRY_NOFAULT; @@ -2806,7 +2804,7 @@ vm_uiomove(mapa, srcobject, cp, cnta, uaddra, npages) ooffset = cp; rv = vm_map_insert(map, object, ooffset, start, tend, - VM_PROT_ALL, VM_PROT_ALL, MAP_COPY_ON_WRITE|MAP_COPY_NEEDED); + VM_PROT_ALL, VM_PROT_ALL, MAP_COPY_ON_WRITE); if (rv != KERN_SUCCESS) panic("vm_uiomove: could not insert new entry: %d", rv); |