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Add support for the (relatively) new object type OBJT_MGTDEVICE to

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vm_object_set_memattr().  Also, add a "safety belt" so that
vm_object_set_memattr() doesn't silently modify undefined object types.

Reviewed by:	kib
MFC after:	10 days
This commit is contained in:
Alan Cox 2012-11-28 18:29:34 +00:00
parent 371f338bfd
commit 96b0b92ac1
1 changed files with 4 additions and 0 deletions
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4
sys/vm/vm_object.c
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@ -301,6 +301,7 @@ vm_object_set_memattr(vm_object_t object, vm_memattr_t memattr)
switch (object->type) {
case OBJT_DEFAULT:
case OBJT_DEVICE:
case OBJT_MGTDEVICE:
case OBJT_PHYS:
case OBJT_SG:
case OBJT_SWAP:
@ -310,6 +311,9 @@ vm_object_set_memattr(vm_object_t object, vm_memattr_t memattr)
break;
case OBJT_DEAD:
return (KERN_INVALID_ARGUMENT);
default:
panic("vm_object_set_memattr: object %p is of undefined type",
object);
}
object->memattr = memattr;
return (KERN_SUCCESS);