| /Linux-v5.4/include/trace/events/ |
| D | fs_dax.h | 65 struct page *zero_page,
67 TP_ARGS(inode, vmf, zero_page, radix_entry),
72 __field(struct page *, zero_page)
81 __entry->zero_page = zero_page;
91 __entry->zero_page,
99 struct page *zero_page, void *radix_entry), \
100 TP_ARGS(inode, vmf, zero_page, radix_entry))
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| /Linux-v5.4/arch/nds32/mm/ |
| D | init.c | 147 void *zero_page; in paging_init() local
159 zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); in paging_init()
160 if (!zero_page) in paging_init()
165 empty_zero_page = virt_to_page(zero_page); in paging_init()
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| /Linux-v5.4/arch/arm64/kernel/ |
| D | hibernate-asm.S | 25 .macro break_before_make_ttbr_switch zero_page, page_table, tmp, tmp2
26 phys_to_ttbr \tmp, \zero_page
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| D | hibernate.c | 488 void *zero_page; in swsusp_arch_resume() local
514 zero_page = (void *)get_safe_page(GFP_ATOMIC); in swsusp_arch_resume()
515 if (!zero_page) { in swsusp_arch_resume()
562 resume_hdr.__hyp_stub_vectors, virt_to_phys(zero_page)); in swsusp_arch_resume()
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| /Linux-v5.4/arch/unicore32/mm/ |
| D | mmu.c | 422 void *zero_page; in paging_init() local
433 zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); in paging_init()
434 if (!zero_page) in paging_init()
440 empty_zero_page = virt_to_page(zero_page); in paging_init()
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| /Linux-v5.4/mm/ |
| D | huge_memory.c | 82 struct page *zero_page; in get_huge_zero_page() local
87 zero_page = alloc_pages((GFP_TRANSHUGE | __GFP_ZERO) & ~__GFP_MOVABLE, in get_huge_zero_page()
89 if (!zero_page) { in get_huge_zero_page()
95 if (cmpxchg(&huge_zero_page, NULL, zero_page)) { in get_huge_zero_page()
97 __free_pages(zero_page, compound_order(zero_page)); in get_huge_zero_page()
147 struct page *zero_page = xchg(&huge_zero_page, NULL); in shrink_huge_zero_page_scan() local
148 BUG_ON(zero_page == NULL); in shrink_huge_zero_page_scan()
149 __free_pages(zero_page, compound_order(zero_page)); in shrink_huge_zero_page_scan()
691 struct page *zero_page) in set_huge_zero_page() argument
696 entry = mk_pmd(zero_page, vma->vm_page_prot); in set_huge_zero_page()
[all …]
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| /Linux-v5.4/drivers/dma/ |
| D | bcm2835-dma.c | 52 dma_addr_t zero_page; member
752 if (buf_addr == od->zero_page && !c->is_lite_channel) in bcm2835_dma_prep_dma_cyclic()
857 dma_unmap_page_attrs(od->ddev.dev, od->zero_page, PAGE_SIZE, in bcm2835_dma_free()
943 od->zero_page = dma_map_page_attrs(od->ddev.dev, ZERO_PAGE(0), 0, in bcm2835_dma_probe()
946 if (dma_mapping_error(od->ddev.dev, od->zero_page)) { in bcm2835_dma_probe()
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| /Linux-v5.4/fs/ |
| D | dax.c | 1419 struct page *zero_page; in dax_pmd_load_hole() local
1424 zero_page = mm_get_huge_zero_page(vmf->vma->vm_mm); in dax_pmd_load_hole()
1426 if (unlikely(!zero_page)) in dax_pmd_load_hole()
1429 pfn = page_to_pfn_t(zero_page); in dax_pmd_load_hole()
1449 pmd_entry = mk_pmd(zero_page, vmf->vma->vm_page_prot); in dax_pmd_load_hole()
1453 trace_dax_pmd_load_hole(inode, vmf, zero_page, *entry); in dax_pmd_load_hole()
1459 trace_dax_pmd_load_hole_fallback(inode, vmf, zero_page, *entry); in dax_pmd_load_hole()
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| /Linux-v5.4/include/target/ |
| D | target_core_fabric.h | 206 u32 length, bool zero_page, bool chainable);
|
| /Linux-v5.4/net/ceph/ |
| D | messenger.c | 187 static struct page *zero_page; /* used in certain error cases */ variable
257 BUG_ON(zero_page == NULL); in _ceph_msgr_exit()
258 put_page(zero_page); in _ceph_msgr_exit()
259 zero_page = NULL; in _ceph_msgr_exit()
269 BUG_ON(zero_page != NULL); in ceph_msgr_init()
270 zero_page = ZERO_PAGE(0); in ceph_msgr_init()
271 get_page(zero_page); in ceph_msgr_init()
1635 ret = ceph_tcp_sendpage(con->sock, zero_page, 0, size, more); in write_partial_skip()
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| /Linux-v5.4/drivers/nvdimm/ |
| D | pfn_devs.c | 372 void *zero_page = page_address(ZERO_PAGE(0)); in nd_pfn_clear_memmap_errors() local
401 rc = nvdimm_write_bytes(ndns, nsoff, zero_page, in nd_pfn_clear_memmap_errors()
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| D | btt.c | 510 void *zero_page = page_address(ZERO_PAGE(0)); in arena_clear_freelist_error() local
520 ret = arena_write_bytes(arena, nsoff, zero_page, in arena_clear_freelist_error()
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| /Linux-v5.4/arch/arm/mm/ |
| D | mmu.c | 1645 void *zero_page; in paging_init() local
1659 zero_page = early_alloc(PAGE_SIZE); in paging_init()
1663 empty_zero_page = virt_to_page(zero_page); in paging_init()
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| /Linux-v5.4/drivers/target/ |
| D | target_core_transport.c | 2477 bool zero_page, bool chainable) in target_alloc_sgl() argument
2479 gfp_t gfp = GFP_KERNEL | (zero_page ? __GFP_ZERO : 0); in target_alloc_sgl()
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| /Linux-v5.4/virt/kvm/ |
| D | kvm_main.c | 2248 const void *zero_page = (const void *) __va(page_to_phys(ZERO_PAGE(0))); in kvm_clear_guest_page() local
2250 return kvm_write_guest_page(kvm, gfn, zero_page, offset, len); in kvm_clear_guest_page()
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