| /Linux-v4.19/arch/c6x/mm/ |
| D | init.c | 27 unsigned long empty_zero_page; variable
28 EXPORT_SYMBOL(empty_zero_page);
41 empty_zero_page = (unsigned long) alloc_bootmem_pages(PAGE_SIZE); in paging_init()
42 memset((void *)empty_zero_page, 0, PAGE_SIZE); in paging_init()
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| /Linux-v4.19/arch/h8300/mm/ |
| D | init.c | 46 unsigned long empty_zero_page; variable
70 empty_zero_page = (unsigned long)alloc_bootmem_pages(PAGE_SIZE); in paging_init()
71 memset((void *)empty_zero_page, 0, PAGE_SIZE); in paging_init()
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| /Linux-v4.19/arch/s390/mm/ |
| D | init.c | 48 unsigned long empty_zero_page, zero_page_mask; variable
49 EXPORT_SYMBOL(empty_zero_page);
65 empty_zero_page = __get_free_pages(GFP_KERNEL | __GFP_ZERO, order); in setup_zero_pages()
66 if (!empty_zero_page) in setup_zero_pages()
69 page = virt_to_page((void *) empty_zero_page); in setup_zero_pages()
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| /Linux-v4.19/arch/sh/kernel/ |
| D | vmlinux.lds.S | 31 .empty_zero_page : AT(ADDR(.empty_zero_page) - LOAD_OFFSET) {
32 *(.empty_zero_page)
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| D | head_64.S | 79 .section .empty_zero_page, "aw"
80 .global empty_zero_page
82 empty_zero_page: label
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| D | head_32.S | 31 .section .empty_zero_page, "aw"
32 ENTRY(empty_zero_page)
45 .skip PAGE_SIZE - empty_zero_page - 1b
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| /Linux-v4.19/arch/m68k/mm/ |
| D | init.c | 40 void *empty_zero_page; variable
41 EXPORT_SYMBOL(empty_zero_page);
96 empty_zero_page = alloc_bootmem_pages(PAGE_SIZE); in paging_init()
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| D | mcfmmu.c | 47 empty_zero_page = (void *) alloc_bootmem_pages(PAGE_SIZE); in paging_init()
48 memset((void *) empty_zero_page, 0, PAGE_SIZE); in paging_init()
|
| /Linux-v4.19/arch/hexagon/mm/ |
| D | uaccess.c | 40 uncleared = raw_copy_to_user(dest, &empty_zero_page, PAGE_SIZE); in __clear_user_hexagon()
47 count = raw_copy_to_user(dest, &empty_zero_page, count); in __clear_user_hexagon()
|
| /Linux-v4.19/arch/um/kernel/ |
| D | mem.c | 23 unsigned long *empty_zero_page = NULL; variable
24 EXPORT_SYMBOL(empty_zero_page);
42 memset(empty_zero_page, 0, PAGE_SIZE); in mem_init()
146 empty_zero_page = (unsigned long *) alloc_bootmem_low_pages(PAGE_SIZE); in paging_init()
|
| /Linux-v4.19/arch/powerpc/include/asm/ |
| D | pgtable.h | 35 extern unsigned long empty_zero_page[];
36 #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
|
| /Linux-v4.19/arch/nds32/mm/ |
| D | init.c | 32 struct page *empty_zero_page; variable
33 EXPORT_SYMBOL(empty_zero_page);
160 empty_zero_page = virt_to_page(zero_page); in paging_init()
161 flush_dcache_page(empty_zero_page); in paging_init()
|
| /Linux-v4.19/arch/c6x/include/asm/ |
| D | pgtable.h | 60 #define ZERO_PAGE(vaddr) virt_to_page(empty_zero_page)
61 extern unsigned long empty_zero_page;
|
| /Linux-v4.19/arch/nios2/mm/ |
| D | init.c | 61 flush_dcache_range((unsigned long)empty_zero_page, in paging_init()
62 (unsigned long)empty_zero_page + PAGE_SIZE); in paging_init()
|
| /Linux-v4.19/arch/m68k/include/asm/ |
| D | pgtable_mm.h | 107 extern void *empty_zero_page;
113 #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
|
| /Linux-v4.19/arch/sh/include/asm/ |
| D | pgtable.h | 31 extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
32 #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
|
| D | setup.h | 10 #define PARAM ((unsigned char *)empty_zero_page)
|
| /Linux-v4.19/arch/mips/mm/ |
| D | init.c | 56 unsigned long empty_zero_page, zero_page_mask; variable
57 EXPORT_SYMBOL_GPL(empty_zero_page);
73 empty_zero_page = __get_free_pages(GFP_KERNEL | __GFP_ZERO, order); in setup_zero_pages()
74 if (!empty_zero_page) in setup_zero_pages()
77 page = virt_to_page((void *)empty_zero_page); in setup_zero_pages()
|
| /Linux-v4.19/arch/unicore32/mm/ |
| D | mmu.c | 38 struct page *empty_zero_page; variable
39 EXPORT_SYMBOL(empty_zero_page);
439 empty_zero_page = virt_to_page(zero_page); in paging_init()
440 __flush_dcache_page(NULL, empty_zero_page); in paging_init()
|
| /Linux-v4.19/arch/arc/mm/ |
| D | init.c | 26 char empty_zero_page[PAGE_SIZE] __aligned(PAGE_SIZE);
27 EXPORT_SYMBOL(empty_zero_page);
|
| /Linux-v4.19/arch/arm64/include/asm/ |
| D | mmu_context.h | 52 unsigned long ttbr = phys_to_ttbr(__pa_symbol(empty_zero_page)); in cpu_set_reserved_ttbr0()
183 ttbr = __pa_symbol(empty_zero_page); in update_saved_ttbr0()
|
| /Linux-v4.19/arch/nios2/kernel/ |
| D | head.S | 31 .global empty_zero_page
33 empty_zero_page: label
|
| /Linux-v4.19/arch/openrisc/kernel/ |
| D | or32_ksyms.c | 48 EXPORT_SYMBOL(empty_zero_page);
|
| /Linux-v4.19/arch/microblaze/kernel/ |
| D | microblaze_ksyms.c | 41 EXPORT_SYMBOL(empty_zero_page);
|
| /Linux-v4.19/arch/riscv/mm/ |
| D | init.c | 41 memset((void *)empty_zero_page, 0, PAGE_SIZE); in setup_zero_page()
|
