| /kernel/linux/linux-5.10/include/asm-generic/ |
| D | pgtable-nop4d.h | 9 typedef struct { pgd_t pgd; } p4d_t; member
22 static inline int pgd_none(pgd_t pgd) { return 0; } in pgd_none() argument
23 static inline int pgd_bad(pgd_t pgd) { return 0; } in pgd_bad() argument
24 static inline int pgd_present(pgd_t pgd) { return 1; } in pgd_present() argument
25 static inline void pgd_clear(pgd_t *pgd) { } in pgd_clear() argument
26 #define p4d_ERROR(p4d) (pgd_ERROR((p4d).pgd))
28 #define pgd_populate(mm, pgd, p4d) do { } while (0) argument
29 #define pgd_populate_safe(mm, pgd, p4d) do { } while (0) argument
36 static inline p4d_t *p4d_offset(pgd_t *pgd, unsigned long address) in p4d_offset() argument
38 return (p4d_t *)pgd; in p4d_offset()
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| /kernel/linux/linux-5.10/arch/x86/mm/ |
| D | kasan_init_64.c | 125 static void __init kasan_populate_pgd(pgd_t *pgd, unsigned long addr, in kasan_populate_pgd() argument
132 if (pgd_none(*pgd)) { in kasan_populate_pgd()
134 pgd_populate(&init_mm, pgd, p); in kasan_populate_pgd()
137 p4d = p4d_offset(pgd, addr); in kasan_populate_pgd()
147 pgd_t *pgd; in kasan_populate_shadow() local
152 pgd = pgd_offset_k(addr); in kasan_populate_shadow()
155 kasan_populate_pgd(pgd, addr, next, nid); in kasan_populate_shadow()
156 } while (pgd++, addr = next, addr != end); in kasan_populate_shadow()
173 pgd_t *pgd; in clear_pgds() local
178 pgd = pgd_offset_k(start); in clear_pgds()
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| D | pgtable.c | 93 static inline void pgd_list_add(pgd_t *pgd) in pgd_list_add() argument
95 struct page *page = virt_to_page(pgd); in pgd_list_add()
100 static inline void pgd_list_del(pgd_t *pgd) in pgd_list_del() argument
102 struct page *page = virt_to_page(pgd); in pgd_list_del()
113 static void pgd_set_mm(pgd_t *pgd, struct mm_struct *mm) in pgd_set_mm() argument
115 virt_to_page(pgd)->pt_mm = mm; in pgd_set_mm()
123 static void pgd_ctor(struct mm_struct *mm, pgd_t *pgd) in pgd_ctor() argument
131 clone_pgd_range(pgd + KERNEL_PGD_BOUNDARY, in pgd_ctor()
138 pgd_set_mm(pgd, mm); in pgd_ctor()
139 pgd_list_add(pgd); in pgd_ctor()
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| D | pti.c | 124 pgd_t __pti_set_user_pgtbl(pgd_t *pgdp, pgd_t pgd) in __pti_set_user_pgtbl() argument
136 return pgd; in __pti_set_user_pgtbl()
142 kernel_to_user_pgdp(pgdp)->pgd = pgd.pgd; in __pti_set_user_pgtbl()
157 if ((pgd.pgd & (_PAGE_USER|_PAGE_PRESENT)) == (_PAGE_USER|_PAGE_PRESENT) && in __pti_set_user_pgtbl()
159 pgd.pgd |= _PAGE_NX; in __pti_set_user_pgtbl()
162 return pgd; in __pti_set_user_pgtbl()
173 pgd_t *pgd = kernel_to_user_pgdp(pgd_offset_k(address)); in pti_user_pagetable_walk_p4d() local
181 if (pgd_none(*pgd)) { in pti_user_pagetable_walk_p4d()
186 set_pgd(pgd, __pgd(_KERNPG_TABLE | __pa(new_p4d_page))); in pti_user_pagetable_walk_p4d()
188 BUILD_BUG_ON(pgd_large(*pgd) != 0); in pti_user_pagetable_walk_p4d()
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| D | init_64.c | 73 DEFINE_POPULATE(pgd_populate, pgd, p4d, init)
144 pgd_t *pgd; in sync_global_pgds_l5() local
147 pgd = (pgd_t *)page_address(page) + pgd_index(addr); in sync_global_pgds_l5()
152 if (!pgd_none(*pgd_ref) && !pgd_none(*pgd)) in sync_global_pgds_l5()
153 BUG_ON(pgd_page_vaddr(*pgd) != pgd_page_vaddr(*pgd_ref)); in sync_global_pgds_l5()
155 if (pgd_none(*pgd)) in sync_global_pgds_l5()
156 set_pgd(pgd, *pgd_ref); in sync_global_pgds_l5()
185 pgd_t *pgd; in sync_global_pgds_l4() local
189 pgd = (pgd_t *)page_address(page) + pgd_index(addr); in sync_global_pgds_l4()
190 p4d = p4d_offset(pgd, addr); in sync_global_pgds_l4()
[all …]
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| /kernel/linux/linux-5.10/arch/nds32/mm/ |
| D | mm-nds32.c | 43 void pgd_free(struct mm_struct *mm, pgd_t * pgd) in pgd_free() argument
48 if (!pgd) in pgd_free()
51 pmd = (pmd_t *) pgd; in pgd_free()
62 dec_zone_page_state(virt_to_page((unsigned long *)pgd), NR_PAGETABLE); in pgd_free()
67 free_pages((unsigned long)pgd, 0); in pgd_free()
78 pgd_t *pgd; in setup_mm_for_reboot() local
84 if (current->mm && current->mm->pgd) in setup_mm_for_reboot()
85 pgd = current->mm->pgd; in setup_mm_for_reboot()
87 pgd = init_mm.pgd; in setup_mm_for_reboot()
91 p4d = p4d_offset(pgd, i << PGDIR_SHIFT); in setup_mm_for_reboot()
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| D | fault.c | 24 pgd_t *pgd; in show_pte() local
28 pr_alert("pgd = %p\n", mm->pgd); in show_pte()
29 pgd = pgd_offset(mm, addr); in show_pte()
30 pr_alert("[%08lx] *pgd=%08lx", addr, pgd_val(*pgd)); in show_pte()
37 if (pgd_none(*pgd)) in show_pte()
40 if (pgd_bad(*pgd)) { in show_pte()
45 p4d = p4d_offset(pgd, addr); in show_pte()
350 pgd_t *pgd, *pgd_k; in do_page_fault() local
356 pgd = (pgd_t *) __va(__nds32__mfsr(NDS32_SR_L1_PPTB)) + index; in do_page_fault()
357 pgd_k = init_mm.pgd + index; in do_page_fault()
[all …]
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| /kernel/linux/linux-5.10/arch/powerpc/include/asm/book3s/64/ |
| D | pgalloc.h | 39 static inline void radix__pgd_free(struct mm_struct *mm, pgd_t *pgd) in radix__pgd_free() argument
42 free_page((unsigned long)pgd); in radix__pgd_free()
44 free_pages((unsigned long)pgd, 4); in radix__pgd_free()
50 pgd_t *pgd; in pgd_alloc() local
55 pgd = kmem_cache_alloc(PGT_CACHE(PGD_INDEX_SIZE), in pgd_alloc()
57 if (unlikely(!pgd)) in pgd_alloc()
58 return pgd; in pgd_alloc()
65 kmemleak_no_scan(pgd); in pgd_alloc()
76 memset(pgd, 0, PGD_TABLE_SIZE); in pgd_alloc()
78 return pgd; in pgd_alloc()
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| /kernel/linux/linux-5.10/arch/arm/mm/ |
| D | pgd.c | 21 #define __pgd_free(pgd) kfree(pgd) argument
24 #define __pgd_free(pgd) free_pages((unsigned long)pgd, 2) argument
144 pgd_t *pgd; in pgd_free() local
153 pgd = pgd_base + pgd_index(0); in pgd_free()
154 if (pgd_none_or_clear_bad(pgd)) in pgd_free()
157 p4d = p4d_offset(pgd, 0); in pgd_free()
181 pgd_clear(pgd); in pgd_free()
188 for (pgd = pgd_base; pgd < pgd_base + PTRS_PER_PGD; pgd++) { in pgd_free()
189 if (pgd_none_or_clear_bad(pgd)) in pgd_free()
191 if (pgd_val(*pgd) & L_PGD_SWAPPER) in pgd_free()
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| /kernel/linux/linux-5.10/arch/sh/mm/ |
| D | hugetlbpage.c | 27 pgd_t *pgd; in huge_pte_alloc() local
33 pgd = pgd_offset(mm, addr); in huge_pte_alloc()
34 if (pgd) { in huge_pte_alloc()
35 p4d = p4d_alloc(mm, pgd, addr); in huge_pte_alloc()
52 pgd_t *pgd; in huge_pte_offset() local
58 pgd = pgd_offset(mm, addr); in huge_pte_offset()
59 if (pgd) { in huge_pte_offset()
60 p4d = p4d_offset(pgd, addr); in huge_pte_offset()
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| D | fault.c | 39 pgd_t *pgd; in show_pte() local
42 pgd = mm->pgd; in show_pte()
44 pgd = get_TTB(); in show_pte()
46 if (unlikely(!pgd)) in show_pte()
47 pgd = swapper_pg_dir; in show_pte()
50 pr_alert("pgd = %p\n", pgd); in show_pte()
51 pgd += pgd_index(addr); in show_pte()
52 pr_alert("[%08lx] *pgd=%0*llx", addr, (u32)(sizeof(*pgd) * 2), in show_pte()
53 (u64)pgd_val(*pgd)); in show_pte()
61 if (pgd_none(*pgd)) in show_pte()
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| D | pgtable.c | 12 pgd_t *pgd = x; in pgd_ctor() local
14 memset(pgd, 0, USER_PTRS_PER_PGD * sizeof(pgd_t)); in pgd_ctor()
15 memcpy(pgd + USER_PTRS_PER_PGD, in pgd_ctor()
37 void pgd_free(struct mm_struct *mm, pgd_t *pgd) in pgd_free() argument
39 kmem_cache_free(pgd_cachep, pgd); in pgd_free()
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| /kernel/linux/linux-5.10/arch/x86/power/ |
| D | hibernate_32.c | 30 static pmd_t *resume_one_md_table_init(pgd_t *pgd) in resume_one_md_table_init() argument
41 set_pgd(pgd, __pgd(__pa(pmd_table) | _PAGE_PRESENT)); in resume_one_md_table_init()
42 p4d = p4d_offset(pgd, 0); in resume_one_md_table_init()
47 p4d = p4d_offset(pgd, 0); in resume_one_md_table_init()
84 pgd_t *pgd; in resume_physical_mapping_init() local
90 pgd = pgd_base + pgd_idx; in resume_physical_mapping_init()
93 for (; pgd_idx < PTRS_PER_PGD; pgd++, pgd_idx++) { in resume_physical_mapping_init()
94 pmd = resume_one_md_table_init(pgd); in resume_physical_mapping_init()
147 pgd_t *pgd; in set_up_temporary_text_mapping() local
151 pgd = pgd_base + pgd_index(restore_jump_address); in set_up_temporary_text_mapping()
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| D | hibernate_64.c | 28 static int set_up_temporary_text_mapping(pgd_t *pgd) in set_up_temporary_text_mapping() argument
77 set_pgd(pgd + pgd_index(restore_jump_address), new_pgd); in set_up_temporary_text_mapping()
81 set_pgd(pgd + pgd_index(restore_jump_address), new_pgd); in set_up_temporary_text_mapping()
100 pgd_t *pgd; in set_up_temporary_mappings() local
104 pgd = (pgd_t *)get_safe_page(GFP_ATOMIC); in set_up_temporary_mappings()
105 if (!pgd) in set_up_temporary_mappings()
109 result = set_up_temporary_text_mapping(pgd); in set_up_temporary_mappings()
118 result = kernel_ident_mapping_init(&info, pgd, mstart, mend); in set_up_temporary_mappings()
123 temp_pgt = __pa(pgd); in set_up_temporary_mappings()
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| /kernel/linux/linux-5.10/mm/kasan/ |
| D | init.c | 38 static inline bool kasan_p4d_table(pgd_t pgd) in kasan_p4d_table() argument
40 return pgd_page(pgd) == virt_to_page(lm_alias(kasan_early_shadow_p4d)); in kasan_p4d_table()
43 static inline bool kasan_p4d_table(pgd_t pgd) in kasan_p4d_table() argument
183 static int __ref zero_p4d_populate(pgd_t *pgd, unsigned long addr, in zero_p4d_populate() argument
186 p4d_t *p4d = p4d_offset(pgd, addr); in zero_p4d_populate()
235 pgd_t *pgd = pgd_offset_k(addr); in kasan_populate_early_shadow() local
254 pgd_populate(&init_mm, pgd, in kasan_populate_early_shadow()
256 p4d = p4d_offset(pgd, addr); in kasan_populate_early_shadow()
268 if (pgd_none(*pgd)) { in kasan_populate_early_shadow()
272 p = p4d_alloc(&init_mm, pgd, addr); in kasan_populate_early_shadow()
[all …]
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| /kernel/linux/linux-5.10/arch/x86/kernel/ |
| D | machine_kexec_32.c | 56 free_pages((unsigned long)image->arch.pgd, PGD_ALLOCATION_ORDER); in machine_kexec_free_page_tables()
57 image->arch.pgd = NULL; in machine_kexec_free_page_tables()
72 image->arch.pgd = (pgd_t *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, in machine_kexec_alloc_page_tables()
80 if (!image->arch.pgd || in machine_kexec_alloc_page_tables()
91 pgd_t *pgd, pmd_t *pmd, pte_t *pte, in machine_kexec_page_table_set_one() argument
97 pgd += pgd_index(vaddr); in machine_kexec_page_table_set_one()
99 if (!(pgd_val(*pgd) & _PAGE_PRESENT)) in machine_kexec_page_table_set_one()
100 set_pgd(pgd, __pgd(__pa(pmd) | _PAGE_PRESENT)); in machine_kexec_page_table_set_one()
102 p4d = p4d_offset(pgd, vaddr); in machine_kexec_page_table_set_one()
121 image->arch.pgd, pmd, image->arch.pte0, in machine_kexec_prepare_page_tables()
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| /kernel/linux/linux-5.10/arch/riscv/include/asm/ |
| D | pgalloc.h | 45 pgd_t *pgd; in pgd_alloc() local
47 pgd = (pgd_t *)__get_free_page(GFP_KERNEL); in pgd_alloc()
48 if (likely(pgd != NULL)) { in pgd_alloc()
49 memset(pgd, 0, USER_PTRS_PER_PGD * sizeof(pgd_t)); in pgd_alloc()
51 memcpy(pgd + USER_PTRS_PER_PGD, in pgd_alloc()
52 init_mm.pgd + USER_PTRS_PER_PGD, in pgd_alloc()
55 return pgd; in pgd_alloc()
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| /kernel/linux/linux-5.10/arch/mips/mm/ |
| D | hugetlbpage.c | 27 pgd_t *pgd; in huge_pte_alloc() local
32 pgd = pgd_offset(mm, addr); in huge_pte_alloc()
33 p4d = p4d_alloc(mm, pgd, addr); in huge_pte_alloc()
44 pgd_t *pgd; in huge_pte_offset() local
49 pgd = pgd_offset(mm, addr); in huge_pte_offset()
50 if (pgd_present(*pgd)) { in huge_pte_offset()
51 p4d = p4d_offset(pgd, addr); in huge_pte_offset()
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| /kernel/linux/linux-5.10/arch/parisc/include/asm/ |
| D | pgalloc.h | 21 pgd_t *pgd; in pgd_alloc() local
23 pgd = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_ORDER); in pgd_alloc()
24 if (unlikely(pgd == NULL)) in pgd_alloc()
27 memset(pgd, 0, PAGE_SIZE << PGD_ORDER); in pgd_alloc()
29 return pgd; in pgd_alloc()
32 static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) in pgd_free() argument
34 free_pages((unsigned long)pgd, PGD_ORDER); in pgd_free()
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| /kernel/linux/linux-5.10/arch/hexagon/include/asm/ |
| D | pgalloc.h | 23 pgd_t *pgd; in pgd_alloc() local
25 pgd = (pgd_t *)__get_free_page(GFP_KERNEL | __GFP_ZERO); in pgd_alloc()
35 memcpy(pgd, swapper_pg_dir, PTRS_PER_PGD*sizeof(pgd_t)); in pgd_alloc()
39 mm->context.ptbase = __pa(pgd); in pgd_alloc()
41 return pgd; in pgd_alloc()
83 pmdindex = (pgd_t *)pmd - mm->pgd; in pmd_populate_kernel()
84 ppmd = (pmd_t *)current->active_mm->pgd + pmdindex; in pmd_populate_kernel()
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| /kernel/linux/linux-5.10/arch/um/kernel/ |
| D | mem.c | 98 pgd_t *pgd; in fixrange_init() local
108 pgd = pgd_base + i; in fixrange_init()
110 for ( ; (i < PTRS_PER_PGD) && (vaddr < end); pgd++, i++) { in fixrange_init()
111 p4d = p4d_offset(pgd, vaddr); in fixrange_init()
188 pgd_t *pgd = (pgd_t *)__get_free_page(GFP_KERNEL); in pgd_alloc() local
190 if (pgd) { in pgd_alloc()
191 memset(pgd, 0, USER_PTRS_PER_PGD * sizeof(pgd_t)); in pgd_alloc()
192 memcpy(pgd + USER_PTRS_PER_PGD, in pgd_alloc()
196 return pgd; in pgd_alloc()
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| /kernel/linux/linux-5.10/arch/riscv/mm/ |
| D | kasan_init.c | 17 pgd_t *pgd = early_pg_dir + pgd_index(KASAN_SHADOW_START); in kasan_early_init() local
33 i += PGDIR_SIZE, ++pgd) in kasan_early_init()
34 set_pgd(pgd, in kasan_early_init()
40 pgd = pgd_offset_k(KASAN_SHADOW_START); in kasan_early_init()
43 i += PGDIR_SIZE, ++pgd) in kasan_early_init()
44 set_pgd(pgd, in kasan_early_init()
67 pgd_t *pgd = pgd_offset_k(vaddr); in populate() local
80 set_pgd(&pgd[i], in populate()
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| /kernel/linux/linux-5.10/arch/csky/include/asm/ |
| D | mmu_context.h | 17 #define TLBMISS_HANDLER_SETUP_PGD(pgd) \ argument
18 setup_pgd(__pa(pgd), false)
20 #define TLBMISS_HANDLER_SETUP_PGD_KERNEL(pgd) \ argument
21 setup_pgd(__pa(pgd), true)
44 TLBMISS_HANDLER_SETUP_PGD(next->pgd); in switch_mm()
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| /kernel/linux/linux-5.10/arch/x86/include/asm/ |
| D | pgtable_64.h | 144 pgd_t pgd; in native_set_p4d() local
151 pgd = native_make_pgd(native_p4d_val(p4d)); in native_set_p4d()
152 pgd = pti_set_user_pgtbl((pgd_t *)p4dp, pgd); in native_set_p4d()
153 WRITE_ONCE(*p4dp, native_make_p4d(native_pgd_val(pgd))); in native_set_p4d()
161 static inline void native_set_pgd(pgd_t *pgdp, pgd_t pgd) in native_set_pgd() argument
163 WRITE_ONCE(*pgdp, pti_set_user_pgtbl(pgdp, pgd)); in native_set_pgd()
166 static inline void native_pgd_clear(pgd_t *pgd) in native_pgd_clear() argument
168 native_set_pgd(pgd, native_make_pgd(0)); in native_pgd_clear()
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| /kernel/linux/linux-5.10/mm/ |
| D | sparse-vmemmap.c | 195 p4d_t * __meminit vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node) in vmemmap_p4d_populate() argument
197 p4d_t *p4d = p4d_offset(pgd, addr); in vmemmap_p4d_populate()
209 pgd_t *pgd = pgd_offset_k(addr); in vmemmap_pgd_populate() local
210 if (pgd_none(*pgd)) { in vmemmap_pgd_populate()
214 pgd_populate(&init_mm, pgd, p); in vmemmap_pgd_populate()
216 return pgd; in vmemmap_pgd_populate()
223 pgd_t *pgd; in vmemmap_populate_basepages() local
230 pgd = vmemmap_pgd_populate(addr, node); in vmemmap_populate_basepages()
231 if (!pgd) in vmemmap_populate_basepages()
233 p4d = vmemmap_p4d_populate(pgd, addr, node); in vmemmap_populate_basepages()
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