arch/arc/include/asm/pgtable.h

24

extern char empty_zero_page[PAGE_SIZE];

arch/arc/include/asm/pgtable.h

25

#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))

arch/arc/mm/init.c

22

char empty_zero_page[PAGE_SIZE] __aligned(PAGE_SIZE);

arch/arc/mm/init.c

23

EXPORT_SYMBOL(empty_zero_page);

arch/arm/include/asm/pgtable.h

18

extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];

arch/arm/include/asm/pgtable.h

19

#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))

arch/arm/mm/mmu.c

48

unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)] __page_aligned_bss;

arch/arm/mm/mmu.c

49

EXPORT_SYMBOL(empty_zero_page);

arch/arm/mm/nommu.c

34

unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)] __page_aligned_bss;

arch/arm/mm/nommu.c

35

EXPORT_SYMBOL(empty_zero_page);

arch/arm64/include/asm/pgtable.h

113

extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];

arch/arm64/include/asm/pgtable.h

114

#define ZERO_PAGE(vaddr) phys_to_page(__pa_symbol(empty_zero_page))

arch/arm64/kernel/cpufeature.c

2400

mte_clear_page_tags(lm_alias(empty_zero_page));

arch/arm64/kernel/machine_kexec.c

139

kimage->arch.zero_page = __pa_symbol(empty_zero_page);

arch/arm64/mm/mmu.c

71

unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)] __page_aligned_bss;

arch/arm64/mm/mmu.c

72

EXPORT_SYMBOL(empty_zero_page);

arch/csky/include/asm/pgtable.h

79

extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];

arch/csky/include/asm/pgtable.h

80

#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))

arch/csky/mm/init.c

41

unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]

arch/csky/mm/init.c

43

EXPORT_SYMBOL(empty_zero_page);

arch/hexagon/include/asm/pgtable.h

18

extern unsigned long empty_zero_page;

arch/hexagon/include/asm/pgtable.h

352

#define ZERO_PAGE(vaddr) (virt_to_page(&empty_zero_page))

arch/hexagon/kernel/hexagon_ksyms.c

20

EXPORT_SYMBOL(empty_zero_page);

arch/hexagon/mm/uaccess.c

27

uncleared = raw_copy_to_user(dest, &empty_zero_page, PAGE_SIZE);

arch/hexagon/mm/uaccess.c

34

count = raw_copy_to_user(dest, &empty_zero_page, count);

arch/loongarch/include/asm/pgtable.h

82

extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];

arch/loongarch/include/asm/pgtable.h

84

#define ZERO_PAGE(vaddr) virt_to_page(empty_zero_page)

arch/loongarch/mm/init.c

39

unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)] __page_aligned_bss;

arch/loongarch/mm/init.c

40

EXPORT_SYMBOL(empty_zero_page);

arch/m68k/include/asm/pgtable_mm.h

114

extern void *empty_zero_page;

arch/m68k/include/asm/pgtable_mm.h

120

#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))

arch/m68k/include/asm/pgtable_no.h

37

extern void *empty_zero_page;

arch/m68k/include/asm/pgtable_no.h

38

#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))

arch/m68k/mm/init.c

40

void *empty_zero_page;

arch/m68k/mm/init.c

41

EXPORT_SYMBOL(empty_zero_page);

arch/m68k/mm/init.c

75

empty_zero_page = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE);

arch/m68k/mm/mcfmmu.c

44

empty_zero_page = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE);

arch/m68k/mm/motorola.c

505

empty_zero_page = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE);

arch/m68k/mm/sun3mmu.c

46

empty_zero_page = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE);

arch/microblaze/include/asm/pgtable.h

215

extern unsigned long empty_zero_page[1024];

arch/microblaze/include/asm/pgtable.h

216

#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))

arch/microblaze/kernel/microblaze_ksyms.c

36

EXPORT_SYMBOL(empty_zero_page);

arch/mips/include/asm/pgtable.h

52

extern unsigned long empty_zero_page;

arch/mips/include/asm/pgtable.h

56

(virt_to_page((void *)(empty_zero_page + (((unsigned long)(vaddr)) & zero_page_mask))))

arch/mips/mm/init.c

55

unsigned long empty_zero_page, zero_page_mask;

arch/mips/mm/init.c

56

EXPORT_SYMBOL_GPL(empty_zero_page);

arch/mips/mm/init.c

71

empty_zero_page = (unsigned long)memblock_alloc_or_panic(PAGE_SIZE << order, PAGE_SIZE);

arch/nios2/include/asm/pgtable.h

72

extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];

arch/nios2/include/asm/pgtable.h

73

#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))

arch/nios2/kernel/nios2_ksyms.c

23

EXPORT_SYMBOL(empty_zero_page);

arch/nios2/mm/init.c

57

flush_dcache_range((unsigned long)empty_zero_page,

arch/nios2/mm/init.c

58

(unsigned long)empty_zero_page + PAGE_SIZE);

arch/openrisc/include/asm/pgtable.h

183

extern unsigned long empty_zero_page[2048];

arch/openrisc/include/asm/pgtable.h

184

#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))

arch/openrisc/kernel/or32_ksyms.c

43

EXPORT_SYMBOL(empty_zero_page);

arch/openrisc/mm/init.c

192

memset((void *)empty_zero_page, 0, PAGE_SIZE);

arch/parisc/include/asm/pgtable.h

267

extern unsigned long *empty_zero_page;

arch/parisc/include/asm/pgtable.h

274

#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))

arch/parisc/mm/init.c

607

unsigned long *empty_zero_page __ro_after_init;

arch/parisc/mm/init.c

608

EXPORT_SYMBOL(empty_zero_page);

arch/parisc/mm/init.c

643

empty_zero_page = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE);

arch/powerpc/include/asm/pgtable.h

83

extern unsigned long empty_zero_page[];

arch/powerpc/include/asm/pgtable.h

84

#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))

arch/powerpc/kernel/ptrace/ptrace-novsx.c

32

return membuf_write(&to, &empty_zero_page, 33 * sizeof(u64));

arch/powerpc/lib/code-patching.c

120

err = map_patch_area(empty_zero_page, addr);

arch/powerpc/mm/mem.c

41

unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)] __page_aligned_bss;

arch/powerpc/mm/mem.c

42

EXPORT_SYMBOL(empty_zero_page);

arch/riscv/include/asm/pgtable.h

1291

extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];

arch/riscv/include/asm/pgtable.h

1292

#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))

arch/riscv/mm/init.c

72

unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]

arch/riscv/mm/init.c

74

EXPORT_SYMBOL(empty_zero_page);

arch/s390/include/asm/pgtable.h

59

extern unsigned long empty_zero_page;

arch/s390/include/asm/pgtable.h

63

(virt_to_page((void *)(empty_zero_page + \

arch/s390/include/asm/uaccess.h

383

: [spec] "I" (0x81), [from] "Q" (*(const char *)empty_zero_page)

arch/s390/mm/init.c

68

unsigned long empty_zero_page, zero_page_mask;

arch/s390/mm/init.c

69

EXPORT_SYMBOL(empty_zero_page);

arch/s390/mm/init.c

84

empty_zero_page = (unsigned long)memblock_alloc_or_panic(PAGE_SIZE << order, PAGE_SIZE);

arch/sh/include/asm/pgtable.h

28

extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];

arch/sh/include/asm/pgtable.h

29

#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))

arch/sh/include/asm/setup.h

10

#define PARAM ((unsigned char *)empty_zero_page)

arch/sh/kernel/sh_ksyms_32.c

23

EXPORT_SYMBOL(empty_zero_page);

arch/sh/mm/init.c

335

memset(empty_zero_page, 0, PAGE_SIZE);

arch/sh/mm/init.c

336

__flush_wback_region(empty_zero_page, PAGE_SIZE);

arch/sparc/include/asm/pgtable_32.h

78

extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];

arch/sparc/include/asm/pgtable_32.h

80

#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))

arch/sparc/include/asm/setup.h

20

extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];

arch/sparc/mm/init_32.c

251

memset((void *)empty_zero_page, 0, PAGE_SIZE);

arch/um/include/asm/pgtable.h

38

extern unsigned long *empty_zero_page;

arch/um/include/asm/pgtable.h

81

#define ZERO_PAGE(vaddr) virt_to_page(empty_zero_page)

arch/um/kernel/mem.c

48

unsigned long *empty_zero_page = NULL;

arch/um/kernel/mem.c

49

EXPORT_SYMBOL(empty_zero_page);

arch/um/kernel/mem.c

69

memset(empty_zero_page, 0, PAGE_SIZE);

arch/um/kernel/mem.c

94

empty_zero_page = (unsigned long *) memblock_alloc_low(PAGE_SIZE,

arch/um/kernel/mem.c

96

if (!empty_zero_page)

arch/x86/include/asm/pgtable.h

54

extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]

arch/x86/include/asm/pgtable.h

56

#define ZERO_PAGE(vaddr) ((void)(vaddr),virt_to_page(empty_zero_page))

arch/x86/mm/init_32.c

671

__set_fixmap(FIX_WP_TEST, __pa_symbol(empty_zero_page), PAGE_KERNEL_RO);

arch/x86/power/hibernate_32.c

141

__pgd(__pa(empty_zero_page) | _PAGE_PRESENT));

arch/xtensa/include/asm/pgtable.h

212

extern unsigned long empty_zero_page[1024];

arch/xtensa/include/asm/pgtable.h

214

#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))

arch/xtensa/kernel/xtensa_ksyms.c

18

EXPORT_SYMBOL(empty_zero_page);