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Differential D31516 Diff 94939 sys/vm/vm_map.c

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sys/vm/vm_map.c

Show First 20 Lines • Show All 337 Lines • ▼ Show 20 Linesvmspace_alloc(vm_offset_t min, vm_offset_t max, pmap_pinit_t pinit)
vm->vm_shm = NULL; vm->vm_shm = NULL;
vm->vm_swrss = 0; vm->vm_swrss = 0;
vm->vm_tsize = 0; vm->vm_tsize = 0;
vm->vm_dsize = 0; vm->vm_dsize = 0;
vm->vm_ssize = 0; vm->vm_ssize = 0;
vm->vm_taddr = 0; vm->vm_taddr = 0;
vm->vm_daddr = 0; vm->vm_daddr = 0;
vm->vm_maxsaddr = 0; vm->vm_maxsaddr = 0;
vm->vm_stkgap = 0;
return (vm); return (vm);
} }
#ifdef RACCT #ifdef RACCT
static void static void
vmspace_container_reset(struct proc *p) vmspace_container_reset(struct proc *p)
{ {
▲ Show 20 Lines • Show All 3,906 Lines • ▼ Show 20 Linesvmspace_fork(struct vmspace *vm1, vm_ooffset_t *fork_charge)
vm2 = vmspace_alloc(vm_map_min(old_map), vm_map_max(old_map), vm2 = vmspace_alloc(vm_map_min(old_map), vm_map_max(old_map),
pmap_pinit); pmap_pinit);
if (vm2 == NULL) if (vm2 == NULL)
return (NULL); return (NULL);
vm2->vm_taddr = vm1->vm_taddr; vm2->vm_taddr = vm1->vm_taddr;
vm2->vm_daddr = vm1->vm_daddr; vm2->vm_daddr = vm1->vm_daddr;
vm2->vm_maxsaddr = vm1->vm_maxsaddr; vm2->vm_maxsaddr = vm1->vm_maxsaddr;
vm2->vm_stkgap = vm1->vm_stkgap;
vm_map_lock(old_map); vm_map_lock(old_map);
if (old_map->busy) if (old_map->busy)
vm_map_wait_busy(old_map); vm_map_wait_busy(old_map);
new_map = &vm2->vm_map; new_map = &vm2->vm_map;
locked = vm_map_trylock(new_map); /* trylock to silence WITNESS */ locked = vm_map_trylock(new_map); /* trylock to silence WITNESS */
KASSERT(locked, ("vmspace_fork: lock failed")); KASSERT(locked, ("vmspace_fork: lock failed"));
error = pmap_vmspace_copy(new_map->pmap, old_map->pmap); error = pmap_vmspace_copy(new_map->pmap, old_map->pmap);
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