diff options
Diffstat (limited to 'sys/dev/vmm/vmm_mem.c')
| -rw-r--r-- | sys/dev/vmm/vmm_mem.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/sys/dev/vmm/vmm_mem.c b/sys/dev/vmm/vmm_mem.c index c61ae2d44b96..be59e37de33d 100644 --- a/sys/dev/vmm/vmm_mem.c +++ b/sys/dev/vmm/vmm_mem.c @@ -7,6 +7,7 @@ #include <sys/types.h> #include <sys/lock.h> +#include <sys/malloc.h> #include <sys/sx.h> #include <sys/systm.h> @@ -156,10 +157,11 @@ vm_mem_allocated(struct vcpu *vcpu, vm_paddr_t gpa) } int -vm_alloc_memseg(struct vm *vm, int ident, size_t len, bool sysmem) +vm_alloc_memseg(struct vm *vm, int ident, size_t len, bool sysmem, + struct domainset *obj_domainset) { - struct vm_mem *mem; struct vm_mem_seg *seg; + struct vm_mem *mem; vm_object_t obj; mem = vm_mem(vm); @@ -179,13 +181,22 @@ vm_alloc_memseg(struct vm *vm, int ident, size_t len, bool sysmem) return (EINVAL); } + /* + * When given an impossible policy, signal an + * error to the user. + */ + if (obj_domainset != NULL && domainset_empty_vm(obj_domainset)) + return (EINVAL); obj = vm_object_allocate(OBJT_SWAP, len >> PAGE_SHIFT); if (obj == NULL) return (ENOMEM); seg->len = len; seg->object = obj; + if (obj_domainset != NULL) + seg->object->domain.dr_policy = obj_domainset; seg->sysmem = sysmem; + return (0); } |