Home
last modified time | relevance | path

Searched refs:empty_zero_page (Results 1 – 25 of 83) sorted by relevance

1234

/OK3568_Linux_fs/kernel/arch/c6x/mm/
H A Dinit.c24 unsigned long empty_zero_page; variable
25 EXPORT_SYMBOL(empty_zero_page);
38 empty_zero_page = (unsigned long) memblock_alloc(PAGE_SIZE, in paging_init()
40 if (!empty_zero_page) in paging_init()
/OK3568_Linux_fs/kernel/arch/m68k/mm/
H A Dinit.c40 void *empty_zero_page; variable
41 EXPORT_SYMBOL(empty_zero_page);
91 empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); in paging_init()
92 if (!empty_zero_page) in paging_init()
H A Dsun3mmu.c47 empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); in paging_init()
48 if (!empty_zero_page) in paging_init()
H A Dmcfmmu.c45 empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); in paging_init()
46 if (!empty_zero_page) in paging_init()
/OK3568_Linux_fs/kernel/arch/um/kernel/
H A Dmem.c23 unsigned long *empty_zero_page = NULL; variable
24 EXPORT_SYMBOL(empty_zero_page);
43 memset(empty_zero_page, 0, PAGE_SIZE); in mem_init()
156 empty_zero_page = (unsigned long *) memblock_alloc_low(PAGE_SIZE, in paging_init()
158 if (!empty_zero_page) in paging_init()
/OK3568_Linux_fs/kernel/arch/h8300/mm/
H A Dinit.c45 unsigned long empty_zero_page; variable
69 empty_zero_page = (unsigned long)memblock_alloc(PAGE_SIZE, PAGE_SIZE); in paging_init()
70 if (!empty_zero_page) in paging_init()
/OK3568_Linux_fs/kernel/arch/s390/mm/
H A Dinit.c53 unsigned long empty_zero_page, zero_page_mask; variable
54 EXPORT_SYMBOL(empty_zero_page);
72 empty_zero_page = __get_free_pages(GFP_KERNEL | __GFP_ZERO, order); in setup_zero_pages()
73 if (!empty_zero_page) in setup_zero_pages()
76 page = virt_to_page((void *) empty_zero_page); in setup_zero_pages()
/OK3568_Linux_fs/kernel/arch/sh/kernel/
H A Dvmlinux.lds.S24 .empty_zero_page : AT(ADDR(.empty_zero_page)) {
25 *(.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
/OK3568_Linux_fs/kernel/arch/arm/mm/
H A Dnommu.c33 struct page *empty_zero_page; variable
34 EXPORT_SYMBOL(empty_zero_page);
171 empty_zero_page = virt_to_page(zero_page); in paging_init()
172 flush_dcache_page(empty_zero_page); in paging_init()
/OK3568_Linux_fs/kernel/arch/nds32/mm/
H A Dinit.c29 struct page *empty_zero_page; variable
30 EXPORT_SYMBOL(empty_zero_page);
158 empty_zero_page = virt_to_page(zero_page); in paging_init()
159 flush_dcache_page(empty_zero_page); in paging_init()
/OK3568_Linux_fs/kernel/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()
/OK3568_Linux_fs/kernel/arch/m68k/include/asm/
H A Dpgtable_no.h45 extern void *empty_zero_page;
46 #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
H A Dpgtable_mm.h110 extern void *empty_zero_page;
116 #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
/OK3568_Linux_fs/kernel/arch/c6x/include/asm/
H A Dpgtable.h56 #define ZERO_PAGE(vaddr) virt_to_page(empty_zero_page)
57 extern unsigned long empty_zero_page;
/OK3568_Linux_fs/kernel/arch/nios2/mm/
H A Dinit.c58 flush_dcache_range((unsigned long)empty_zero_page, in paging_init()
59 (unsigned long)empty_zero_page + PAGE_SIZE); in paging_init()
/OK3568_Linux_fs/kernel/arch/mips/mm/
H A Dinit.c54 unsigned long empty_zero_page, zero_page_mask; variable
55 EXPORT_SYMBOL_GPL(empty_zero_page);
71 empty_zero_page = __get_free_pages(GFP_KERNEL | __GFP_ZERO, order); in setup_zero_pages()
72 if (!empty_zero_page) in setup_zero_pages()
75 page = virt_to_page((void *)empty_zero_page); in setup_zero_pages()
/OK3568_Linux_fs/kernel/arch/powerpc/include/asm/
H A Dpgtable.h71 extern unsigned long empty_zero_page[];
72 #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
/OK3568_Linux_fs/kernel/arch/arc/mm/
H A Dinit.c21 char empty_zero_page[PAGE_SIZE] __aligned(PAGE_SIZE);
22 EXPORT_SYMBOL(empty_zero_page);
/OK3568_Linux_fs/kernel/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)
/OK3568_Linux_fs/kernel/arch/csky/mm/
H A Dinit.c35 unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)] variable
37 EXPORT_SYMBOL(empty_zero_page);
/OK3568_Linux_fs/kernel/arch/nios2/kernel/
H A Dhead.S31 .global empty_zero_page symbol
33 empty_zero_page: label
/OK3568_Linux_fs/kernel/arch/x86/kernel/
H A Dhead_64.S599 SYM_DATA_START_PAGE_ALIGNED(empty_zero_page)
601 SYM_DATA_END(empty_zero_page)
602 EXPORT_SYMBOL(empty_zero_page)
/OK3568_Linux_fs/kernel/arch/parisc/mm/
H A Dinit.c610 unsigned long *empty_zero_page __ro_after_init;
611 EXPORT_SYMBOL(empty_zero_page);
648 empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); in pagetable_init()
649 if (!empty_zero_page) in pagetable_init()

1234