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Searched refs:empty_zero_page (Results 1 – 25 of 69) sorted by relevance

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/linux/arch/um/kernel/
H A Dmem.c48 unsigned long *empty_zero_page = NULL; variable
49 EXPORT_SYMBOL(empty_zero_page);
69 memset(empty_zero_page, 0, PAGE_SIZE); in arch_mm_preinit()
94 empty_zero_page = (unsigned long *) memblock_alloc_low(PAGE_SIZE, in paging_init()
96 if (!empty_zero_page) in paging_init()
/linux/arch/m68k/mm/
H A Dinit.c40 void *empty_zero_page; variable
41 EXPORT_SYMBOL(empty_zero_page);
75 empty_zero_page = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE); in paging_init()
/linux/arch/sh/kernel/
H A Dvmlinux.lds.S25 .empty_zero_page : AT(ADDR(.empty_zero_page)) {
26 *(.empty_zero_page)
H A Dhead_32.S28 .section .empty_zero_page, "aw"
29 ENTRY(empty_zero_page)
42 .skip PAGE_SIZE - empty_zero_page - 1b
/linux/arch/arc/include/asm/
H A Dpgtable.h24 extern char empty_zero_page[PAGE_SIZE];
25 #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
/linux/arch/hexagon/mm/
H A Duaccess.c27 uncleared = raw_copy_to_user(dest, &empty_zero_page, PAGE_SIZE); in __clear_user_hexagon()
34 count = raw_copy_to_user(dest, &empty_zero_page, count); in __clear_user_hexagon()
/linux/arch/m68k/include/asm/
H A Dpgtable_no.h37 extern void *empty_zero_page;
38 #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
H A Dpgtable_mm.h114 extern void *empty_zero_page;
120 #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
/linux/arch/s390/mm/
H A Dinit.c68 unsigned long empty_zero_page, zero_page_mask; variable
69 EXPORT_SYMBOL(empty_zero_page);
84 empty_zero_page = (unsigned long)memblock_alloc_or_panic(PAGE_SIZE << order, PAGE_SIZE); in setup_zero_pages()
/linux/arch/sh/include/asm/
H A Dpgtable.h28 extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
29 #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
H A Dsetup.h10 #define PARAM ((unsigned char *)empty_zero_page)
/linux/arch/arc/mm/
H A Dinit.c22 char empty_zero_page[PAGE_SIZE] __aligned(PAGE_SIZE);
23 EXPORT_SYMBOL(empty_zero_page);
/linux/arch/nios2/mm/
H A Dinit.c57 flush_dcache_range((unsigned long)empty_zero_page, in paging_init()
58 (unsigned long)empty_zero_page + PAGE_SIZE); in paging_init()
/linux/arch/nios2/kernel/
H A Dhead.S31 .global empty_zero_page symbol
33 empty_zero_page: label
H A Dnios2_ksyms.c23 EXPORT_SYMBOL(empty_zero_page);
/linux/arch/powerpc/include/asm/
H A Dpgtable.h83 extern unsigned long empty_zero_page[];
84 #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
/linux/arch/arm/mm/
H A Dnommu.c34 unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)] __page_aligned_bss; variable
35 EXPORT_SYMBOL(empty_zero_page);
/linux/arch/csky/mm/
H A Dinit.c41 unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)] variable
43 EXPORT_SYMBOL(empty_zero_page);
/linux/arch/loongarch/mm/
H A Dinit.c39 unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)] __page_aligned_bss; variable
40 EXPORT_SYMBOL(empty_zero_page);
/linux/arch/xtensa/kernel/
H A Dxtensa_ksyms.c18 EXPORT_SYMBOL(empty_zero_page);
/linux/arch/hexagon/include/asm/
H A Dpgtable.h18 extern unsigned long empty_zero_page;
352 #define ZERO_PAGE(vaddr) (virt_to_page(&empty_zero_page))
/linux/arch/x86/kernel/
H A Dhead_64.S689 SYM_DATA_START_PAGE_ALIGNED(empty_zero_page)
691 SYM_DATA_END(empty_zero_page)
692 EXPORT_SYMBOL(empty_zero_page)
/linux/arch/openrisc/kernel/
H A Dor32_ksyms.c43 EXPORT_SYMBOL(empty_zero_page);
/linux/arch/hexagon/kernel/
H A Dhexagon_ksyms.c20 EXPORT_SYMBOL(empty_zero_page);
/linux/arch/microblaze/kernel/
H A Dmicroblaze_ksyms.c36 EXPORT_SYMBOL(empty_zero_page);

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