sys/uvm/uvm_km.c

190

mtx_init(&uvm_km_pages.mtx, IPL_VM);

sys/uvm/uvm_km.c

346

struct uvm_km_pages uvm_km_pages;

sys/uvm/uvm_km.c

366

if (!uvm_km_pages.lowat) {

sys/uvm/uvm_km.c

368

uvm_km_pages.lowat = physmem / 256;

sys/uvm/uvm_km.c

370

if (uvm_km_pages.lowat < lowat_min)

sys/uvm/uvm_km.c

371

uvm_km_pages.lowat = lowat_min;

sys/uvm/uvm_km.c

373

if (uvm_km_pages.lowat > UVM_KM_PAGES_LOWAT_MAX)

sys/uvm/uvm_km.c

374

uvm_km_pages.lowat = UVM_KM_PAGES_LOWAT_MAX;

sys/uvm/uvm_km.c

375

uvm_km_pages.hiwat = 4 * uvm_km_pages.lowat;

sys/uvm/uvm_km.c

376

if (uvm_km_pages.hiwat > UVM_KM_PAGES_HIWAT_MAX)

sys/uvm/uvm_km.c

377

uvm_km_pages.hiwat = UVM_KM_PAGES_HIWAT_MAX;

sys/uvm/uvm_km.c

381

bulk = uvm_km_pages.hiwat;

sys/uvm/uvm_km.c

382

while (len < uvm_km_pages.hiwat && bulk > 0) {

sys/uvm/uvm_km.c

383

bulk = MIN(bulk, uvm_km_pages.hiwat - len);

sys/uvm/uvm_km.c

395

uvm_km_pages.page[i] = addr;

sys/uvm/uvm_km.c

399

uvm_km_pages.free = len;

sys/uvm/uvm_km.c

401

uvm_km_pages.page[i] = 0;

sys/uvm/uvm_km.c

404

if (uvm_km_pages.lowat > 512)

sys/uvm/uvm_km.c

405

uvm_km_pages.lowat = 512;

sys/uvm/uvm_km.c

417

kthread_create(uvm_km_thread, NULL, &uvm_km_pages.km_proc, "kmthread");

sys/uvm/uvm_km.c

436

mtx_enter(&uvm_km_pages.mtx);

sys/uvm/uvm_km.c

437

if (uvm_km_pages.free >= uvm_km_pages.lowat &&

sys/uvm/uvm_km.c

438

uvm_km_pages.freelist == NULL) {

sys/uvm/uvm_km.c

439

msleep_nsec(&uvm_km_pages.km_proc, &uvm_km_pages.mtx,

sys/uvm/uvm_km.c

442

allocmore = uvm_km_pages.free < uvm_km_pages.lowat;

sys/uvm/uvm_km.c

443

fp = uvm_km_pages.freelist;

sys/uvm/uvm_km.c

444

uvm_km_pages.freelist = NULL;

sys/uvm/uvm_km.c

445

uvm_km_pages.freelistlen = 0;

sys/uvm/uvm_km.c

446

mtx_leave(&uvm_km_pages.mtx);

sys/uvm/uvm_km.c

473

mtx_enter(&uvm_km_pages.mtx);

sys/uvm/uvm_km.c

475

if (uvm_km_pages.free ==

sys/uvm/uvm_km.c

476

nitems(uvm_km_pages.page))

sys/uvm/uvm_km.c

479

uvm_km_pages.page[uvm_km_pages.free++]

sys/uvm/uvm_km.c

482

wakeup(&uvm_km_pages.free);

sys/uvm/uvm_km.c

483

mtx_leave(&uvm_km_pages.mtx);

sys/uvm/uvm_km.c

512

mtx_enter(&uvm_km_pages.mtx);

sys/uvm/uvm_km.c

513

if (uvm_km_pages.free < uvm_km_pages.hiwat) {

sys/uvm/uvm_km.c

514

uvm_km_pages.page[uvm_km_pages.free++] = va;

sys/uvm/uvm_km.c

517

mtx_leave(&uvm_km_pages.mtx);

sys/uvm/uvm_km.c

598

mtx_enter(&uvm_km_pages.mtx);

sys/uvm/uvm_km.c

599

while (uvm_km_pages.free == 0) {

sys/uvm/uvm_km.c

601

mtx_leave(&uvm_km_pages.mtx);

sys/uvm/uvm_km.c

605

msleep_nsec(&uvm_km_pages.free, &uvm_km_pages.mtx,

sys/uvm/uvm_km.c

608

va = uvm_km_pages.page[--uvm_km_pages.free];

sys/uvm/uvm_km.c

609

if (uvm_km_pages.free < uvm_km_pages.lowat &&

sys/uvm/uvm_km.c

610

curproc != uvm_km_pages.km_proc) {

sys/uvm/uvm_km.c

613

wakeup(&uvm_km_pages.km_proc);

sys/uvm/uvm_km.c

615

mtx_leave(&uvm_km_pages.mtx);

sys/uvm/uvm_km.c

681

mtx_enter(&uvm_km_pages.mtx);

sys/uvm/uvm_km.c

682

fp->next = uvm_km_pages.freelist;

sys/uvm/uvm_km.c

683

uvm_km_pages.freelist = fp;

sys/uvm/uvm_km.c

684

if (uvm_km_pages.freelistlen++ > 16)

sys/uvm/uvm_km.c

685

wakeup(&uvm_km_pages.km_proc);

sys/uvm/uvm_km.c

686

mtx_leave(&uvm_km_pages.mtx);

sys/uvm/uvm_km.h

77

extern struct uvm_km_pages uvm_km_pages;