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Searched refs:dummy_page (Results 1 – 15 of 15) sorted by relevance

/linux/drivers/staging/media/ipu3/
H A Dipu3-mmu.c54 void *dummy_page; member
447 mmu->dummy_page = (void *)__get_free_page(GFP_KERNEL); in imgu_mmu_init()
448 if (!mmu->dummy_page) in imgu_mmu_init()
450 pteval = IPU3_ADDR2PTE(virt_to_phys(mmu->dummy_page)); in imgu_mmu_init()
491 free_page((unsigned long)mmu->dummy_page); in imgu_mmu_init()
514 free_page((unsigned long)mmu->dummy_page); in imgu_mmu_exit()
/linux/drivers/gpu/drm/gma500/
H A Dmmu.c174 pd->dummy_page = alloc_page(GFP_DMA32); in psb_mmu_alloc_pd()
175 if (!pd->dummy_page) in psb_mmu_alloc_pd()
181 pd->invalid_pte = psb_mmu_mask_pte(page_to_pfn(pd->dummy_page), in psb_mmu_alloc_pd()
200 clear_page(kmap(pd->dummy_page)); in psb_mmu_alloc_pd()
201 kunmap(pd->dummy_page); in psb_mmu_alloc_pd()
214 __free_page(pd->dummy_page); in psb_mmu_alloc_pd()
254 __free_page(pd->dummy_page); in psb_mmu_free_pagedir()
/linux/sound/drivers/
H A Ddummy.c593 static void *dummy_page[2]; variable
600 if (dummy_page[i]) { in free_fake_buffer()
601 free_page((unsigned long)dummy_page[i]); in free_fake_buffer()
602 dummy_page[i] = NULL; in free_fake_buffer()
614 dummy_page[i] = (void *)get_zeroed_page(GFP_KERNEL); in alloc_fake_buffer()
615 if (!dummy_page[i]) { in alloc_fake_buffer()
640 return virt_to_page(dummy_page[substream->stream]); /* the same page */ in dummy_pcm_page()
/linux/arch/sparc/kernel/
H A Diommu.c127 iommu->dummy_page = (unsigned long) page_address(page); in iommu_table_init()
128 memset((void *)iommu->dummy_page, 0, PAGE_SIZE); in iommu_table_init()
129 iommu->dummy_page_pa = (unsigned long) __pa(iommu->dummy_page); in iommu_table_init()
146 free_page(iommu->dummy_page); in iommu_table_init()
147 iommu->dummy_page = 0UL; in iommu_table_init()
/linux/arch/sparc/include/asm/
H A Diommu_64.h68 unsigned long dummy_page; member
/linux/net/tls/
H A Dtls_device.c56 static struct page *dummy_page; variable
330 dummy_tag_frag.page = dummy_page; in tls_device_record_close()
1414 dummy_page = alloc_page(GFP_KERNEL); in tls_device_init()
1415 if (!dummy_page) in tls_device_init()
1433 put_page(dummy_page); in tls_device_init()
1442 put_page(dummy_page); in tls_device_cleanup()
/linux/drivers/gpu/drm/omapdrm/
H A Domap_dmm_priv.h158 struct page *dummy_page; member
H A Domap_dmm_tiler.c758 if (omap_dmm->dummy_page) in omap_dmm_remove()
759 __free_page(omap_dmm->dummy_page); in omap_dmm_remove()
863 omap_dmm->dummy_page = alloc_page(GFP_KERNEL | __GFP_DMA32); in omap_dmm_probe()
864 if (!omap_dmm->dummy_page) { in omap_dmm_probe()
875 omap_dmm->dummy_pa = page_to_phys(omap_dmm->dummy_page); in omap_dmm_probe()
/linux/drivers/gpu/drm/amd/amdgpu/
H A Damdgpu_gart.c77 struct page *dummy_page = ttm_glob.dummy_read_page; in amdgpu_gart_dummy_page_init() local
81 adev->dummy_page_addr = dma_map_page_attrs(&adev->pdev->dev, dummy_page, 0, in amdgpu_gart_dummy_page_init()
/linux/drivers/media/pci/intel/ipu6/
H A Dipu6-mmu.c155 mmu_info->dummy_page = pt; in get_dummy_page()
170 free_page((unsigned long)mmu_info->dummy_page); in free_dummy_page()
/linux/drivers/staging/media/ipu7/
H A Dipu7-mmu.c138 mmu_info->dummy_page = pt; in get_dummy_page()
153 free_page((unsigned long)mmu_info->dummy_page); in free_dummy_page()
/linux/drivers/gpu/drm/xe/
H A Dxe_device.c269 struct page *dummy_page = (struct page *)res; in barrier_release_dummy_page() local
271 __free_page(dummy_page); in barrier_release_dummy_page()
/linux/drivers/gpu/drm/radeon/
H A Dni.c1283 (u32)(rdev->dummy_page.addr >> 12)); in cayman_pcie_gart_enable()
1307 (u32)(rdev->dummy_page.addr >> 12)); in cayman_pcie_gart_enable()
H A Drv770.c932 (u32)(rdev->dummy_page.addr >> 12)); in rv770_pcie_gart_enable()
H A Dr600.c1174 (u32)(rdev->dummy_page.addr >> 12)); in r600_pcie_gart_enable()
3697 WREG32(INTERRUPT_CNTL2, rdev->dummy_page.addr >> 8); in r600_irq_init()