arch/sparc/include/asm/iommu_64.h

68

unsigned long dummy_page;

arch/sparc/kernel/iommu.c

127

iommu->dummy_page = (unsigned long) page_address(page);

arch/sparc/kernel/iommu.c

128

memset((void *)iommu->dummy_page, 0, PAGE_SIZE);

arch/sparc/kernel/iommu.c

129

iommu->dummy_page_pa = (unsigned long) __pa(iommu->dummy_page);

arch/sparc/kernel/iommu.c

146

free_page(iommu->dummy_page);

arch/sparc/kernel/iommu.c

147

iommu->dummy_page = 0UL;

drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c

77

struct page *dummy_page = ttm_glob.dummy_read_page;

drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c

81

adev->dummy_page_addr = dma_map_page_attrs(&adev->pdev->dev, dummy_page, 0,

drivers/gpu/drm/gma500/mmu.c

174

pd->dummy_page = alloc_page(GFP_DMA32);

drivers/gpu/drm/gma500/mmu.c

175

if (!pd->dummy_page)

drivers/gpu/drm/gma500/mmu.c

181

pd->invalid_pte = psb_mmu_mask_pte(page_to_pfn(pd->dummy_page),

drivers/gpu/drm/gma500/mmu.c

200

clear_page(kmap(pd->dummy_page));

drivers/gpu/drm/gma500/mmu.c

201

kunmap(pd->dummy_page);

drivers/gpu/drm/gma500/mmu.c

214

__free_page(pd->dummy_page);

drivers/gpu/drm/gma500/mmu.c

254

__free_page(pd->dummy_page);

drivers/gpu/drm/gma500/mmu.h

49

struct page *dummy_page;

drivers/gpu/drm/omapdrm/omap_dmm_priv.h

158

struct page *dummy_page;

drivers/gpu/drm/omapdrm/omap_dmm_tiler.c

758

if (omap_dmm->dummy_page)

drivers/gpu/drm/omapdrm/omap_dmm_tiler.c

759

__free_page(omap_dmm->dummy_page);

drivers/gpu/drm/omapdrm/omap_dmm_tiler.c

863

omap_dmm->dummy_page = alloc_page(GFP_KERNEL | __GFP_DMA32);

drivers/gpu/drm/omapdrm/omap_dmm_tiler.c

864

if (!omap_dmm->dummy_page) {

drivers/gpu/drm/omapdrm/omap_dmm_tiler.c

875

omap_dmm->dummy_pa = page_to_phys(omap_dmm->dummy_page);

drivers/gpu/drm/radeon/cik.c

5454

(u32)(rdev->dummy_page.addr >> 12));

drivers/gpu/drm/radeon/cik.c

5478

(u32)(rdev->dummy_page.addr >> 12));

drivers/gpu/drm/radeon/cik.c

6958

WREG32(INTERRUPT_CNTL2, rdev->dummy_page.addr >> 8);

drivers/gpu/drm/radeon/evergreen.c

2450

(u32)(rdev->dummy_page.addr >> 12));

drivers/gpu/drm/radeon/ni.c

1283

(u32)(rdev->dummy_page.addr >> 12));

drivers/gpu/drm/radeon/ni.c

1307

(u32)(rdev->dummy_page.addr >> 12));

drivers/gpu/drm/radeon/r600.c

1174

(u32)(rdev->dummy_page.addr >> 12));

drivers/gpu/drm/radeon/r600.c

3697

WREG32(INTERRUPT_CNTL2, rdev->dummy_page.addr >> 8);

drivers/gpu/drm/radeon/radeon.h

2380

struct radeon_dummy_page dummy_page;

drivers/gpu/drm/radeon/radeon_device.c

783

if (rdev->dummy_page.page)

drivers/gpu/drm/radeon/radeon_device.c

785

rdev->dummy_page.page = alloc_page(GFP_DMA32 | GFP_KERNEL | __GFP_ZERO);

drivers/gpu/drm/radeon/radeon_device.c

786

if (rdev->dummy_page.page == NULL)

drivers/gpu/drm/radeon/radeon_device.c

788

rdev->dummy_page.addr = dma_map_page(&rdev->pdev->dev, rdev->dummy_page.page,

drivers/gpu/drm/radeon/radeon_device.c

790

if (dma_mapping_error(&rdev->pdev->dev, rdev->dummy_page.addr)) {

drivers/gpu/drm/radeon/radeon_device.c

792

__free_page(rdev->dummy_page.page);

drivers/gpu/drm/radeon/radeon_device.c

793

rdev->dummy_page.page = NULL;

drivers/gpu/drm/radeon/radeon_device.c

796

rdev->dummy_page.entry = radeon_gart_get_page_entry(rdev->dummy_page.addr,

drivers/gpu/drm/radeon/radeon_device.c

810

if (rdev->dummy_page.page == NULL)

drivers/gpu/drm/radeon/radeon_device.c

812

dma_unmap_page(&rdev->pdev->dev, rdev->dummy_page.addr, PAGE_SIZE,

drivers/gpu/drm/radeon/radeon_device.c

814

__free_page(rdev->dummy_page.page);

drivers/gpu/drm/radeon/radeon_device.c

815

rdev->dummy_page.page = NULL;

drivers/gpu/drm/radeon/radeon_gart.c

257

rdev->gart.pages_entry[t] = rdev->dummy_page.entry;

drivers/gpu/drm/radeon/radeon_gart.c

260

rdev->dummy_page.entry);

drivers/gpu/drm/radeon/radeon_gart.c

302

rdev->dummy_page.page;

drivers/gpu/drm/radeon/radeon_gart.c

363

rdev->gart.pages_entry[i] = rdev->dummy_page.entry;

drivers/gpu/drm/radeon/rv770.c

932

(u32)(rdev->dummy_page.addr >> 12));

drivers/gpu/drm/radeon/si.c

4300

(u32)(rdev->dummy_page.addr >> 12));

drivers/gpu/drm/radeon/si.c

4328

(u32)(rdev->dummy_page.addr >> 12));

drivers/gpu/drm/radeon/si.c

5981

WREG32(INTERRUPT_CNTL2, rdev->dummy_page.addr >> 8);

drivers/gpu/drm/ttm/ttm_bo_vm.c

286

struct page *dummy_page = (struct page *)res;

drivers/gpu/drm/ttm/ttm_bo_vm.c

288

__free_page(dummy_page);

drivers/gpu/drm/xe/xe_device.c

266

struct page *dummy_page = (struct page *)res;

drivers/gpu/drm/xe/xe_device.c

268

__free_page(dummy_page);

drivers/mailbox/arm_mhuv3.c

189

struct dummy_page ffcw;

drivers/mailbox/arm_mhuv3.c

190

struct dummy_page fcw;

drivers/mailbox/arm_mhuv3.c

192

struct dummy_page impdef;

drivers/mailbox/arm_mhuv3.c

198

struct dummy_page ffcw;

drivers/mailbox/arm_mhuv3.c

199

struct dummy_page fcw;

drivers/mailbox/arm_mhuv3.c

201

struct dummy_page impdef;

drivers/media/pci/intel/ipu3/ipu3-cio2.c

121

if (cio2->dummy_page) {

drivers/media/pci/intel/ipu3/ipu3-cio2.c

122

dma_free_coherent(dev, PAGE_SIZE, cio2->dummy_page,

drivers/media/pci/intel/ipu3/ipu3-cio2.c

124

cio2->dummy_page = NULL;

drivers/media/pci/intel/ipu3/ipu3-cio2.c

133

cio2->dummy_page = dma_alloc_coherent(dev, PAGE_SIZE,

drivers/media/pci/intel/ipu3/ipu3-cio2.c

139

if (!cio2->dummy_page || !cio2->dummy_lop) {

drivers/media/pci/intel/ipu3/ipu3-cio2.h

389

void *dummy_page;

drivers/media/pci/intel/ipu6/ipu6-mmu.c

155

mmu_info->dummy_page = pt;

drivers/media/pci/intel/ipu6/ipu6-mmu.c

170

free_page((unsigned long)mmu_info->dummy_page);

drivers/media/pci/intel/ipu6/ipu6-mmu.h

27

void *dummy_page;

drivers/staging/media/ipu3/ipu3-mmu.c

447

mmu->dummy_page = (void *)__get_free_page(GFP_KERNEL);

drivers/staging/media/ipu3/ipu3-mmu.c

448

if (!mmu->dummy_page)

drivers/staging/media/ipu3/ipu3-mmu.c

450

pteval = IPU3_ADDR2PTE(virt_to_phys(mmu->dummy_page));

drivers/staging/media/ipu3/ipu3-mmu.c

491

free_page((unsigned long)mmu->dummy_page);

drivers/staging/media/ipu3/ipu3-mmu.c

514

free_page((unsigned long)mmu->dummy_page);

drivers/staging/media/ipu3/ipu3-mmu.c

54

void *dummy_page;

drivers/staging/media/ipu7/ipu7-mmu.c

138

mmu_info->dummy_page = pt;

drivers/staging/media/ipu7/ipu7-mmu.c

153

free_page((unsigned long)mmu_info->dummy_page);

drivers/staging/media/ipu7/ipu7-mmu.h

368

void *dummy_page;

net/tls/tls_device.c

1414

dummy_page = alloc_page(GFP_KERNEL);

net/tls/tls_device.c

1415

if (!dummy_page)

net/tls/tls_device.c

1433

put_page(dummy_page);

net/tls/tls_device.c

1442

put_page(dummy_page);

net/tls/tls_device.c

330

dummy_tag_frag.page = dummy_page;

net/tls/tls_device.c

56

static struct page *dummy_page;

sound/drivers/dummy.c

593

static void *dummy_page[2];

sound/drivers/dummy.c

600

if (dummy_page[i]) {

sound/drivers/dummy.c

601

free_page((unsigned long)dummy_page[i]);

sound/drivers/dummy.c

602

dummy_page[i] = NULL;

sound/drivers/dummy.c

614

dummy_page[i] = (void *)get_zeroed_page(GFP_KERNEL);

sound/drivers/dummy.c

615

if (!dummy_page[i]) {

sound/drivers/dummy.c

640

return virt_to_page(dummy_page[substream->stream]); /* the same page */