| /Linux-v5.15/include/asm-generic/ |
| D | pgtable-nop4d.h | 9 typedef struct { pgd_t pgd; } p4d_t; member
21 static inline int pgd_none(pgd_t pgd) { return 0; } in pgd_none() argument
22 static inline int pgd_bad(pgd_t pgd) { return 0; } in pgd_bad() argument
23 static inline int pgd_present(pgd_t pgd) { return 1; } in pgd_present() argument
24 static inline void pgd_clear(pgd_t *pgd) { } in pgd_clear() argument
25 #define p4d_ERROR(p4d) (pgd_ERROR((p4d).pgd))
27 #define pgd_populate(mm, pgd, p4d) do { } while (0) argument
28 #define pgd_populate_safe(mm, pgd, p4d) do { } while (0) argument
35 static inline p4d_t *p4d_offset(pgd_t *pgd, unsigned long address) in p4d_offset() argument
37 return (p4d_t *)pgd; in p4d_offset()
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| /Linux-v5.15/arch/x86/mm/ |
| D | kasan_init_64.c | 123 static void __init kasan_populate_pgd(pgd_t *pgd, unsigned long addr, in kasan_populate_pgd() argument
130 if (pgd_none(*pgd)) { in kasan_populate_pgd()
132 pgd_populate(&init_mm, pgd, p); in kasan_populate_pgd()
135 p4d = p4d_offset(pgd, addr); in kasan_populate_pgd()
145 pgd_t *pgd; in kasan_populate_shadow() local
150 pgd = pgd_offset_k(addr); in kasan_populate_shadow()
153 kasan_populate_pgd(pgd, addr, next, nid); in kasan_populate_shadow()
154 } while (pgd++, addr = next, addr != end); in kasan_populate_shadow()
171 pgd_t *pgd; in clear_pgds() local
176 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 | 74 DEFINE_POPULATE(pgd_populate, pgd, p4d, init)
145 pgd_t *pgd; in sync_global_pgds_l5() local
148 pgd = (pgd_t *)page_address(page) + pgd_index(addr); in sync_global_pgds_l5()
153 if (!pgd_none(*pgd_ref) && !pgd_none(*pgd)) in sync_global_pgds_l5()
154 BUG_ON(pgd_page_vaddr(*pgd) != pgd_page_vaddr(*pgd_ref)); in sync_global_pgds_l5()
156 if (pgd_none(*pgd)) in sync_global_pgds_l5()
157 set_pgd(pgd, *pgd_ref); in sync_global_pgds_l5()
186 pgd_t *pgd; in sync_global_pgds_l4() local
190 pgd = (pgd_t *)page_address(page) + pgd_index(addr); in sync_global_pgds_l4()
191 p4d = p4d_offset(pgd, addr); in sync_global_pgds_l4()
[all …]
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| /Linux-v5.15/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_lruvec_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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| /Linux-v5.15/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()
[all …]
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| /Linux-v5.15/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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| /Linux-v5.15/mm/kasan/ |
| D | init.c | 33 static inline bool kasan_p4d_table(pgd_t pgd) in kasan_p4d_table() argument
35 return pgd_page(pgd) == virt_to_page(lm_alias(kasan_early_shadow_p4d)); in kasan_p4d_table()
38 static inline bool kasan_p4d_table(pgd_t pgd) in kasan_p4d_table() argument
179 static int __ref zero_p4d_populate(pgd_t *pgd, unsigned long addr, in zero_p4d_populate() argument
182 p4d_t *p4d = p4d_offset(pgd, addr); in zero_p4d_populate()
231 pgd_t *pgd = pgd_offset_k(addr); in kasan_populate_early_shadow() local
250 pgd_populate(&init_mm, pgd, in kasan_populate_early_shadow()
252 p4d = p4d_offset(pgd, addr); in kasan_populate_early_shadow()
264 if (pgd_none(*pgd)) { in kasan_populate_early_shadow()
268 p = p4d_alloc(&init_mm, pgd, addr); in kasan_populate_early_shadow()
[all …]
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| /Linux-v5.15/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()
[all …]
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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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| /Linux-v5.15/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()
[all …]
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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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| /Linux-v5.15/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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| /Linux-v5.15/arch/x86/kernel/ |
| D | machine_kexec_32.c | 45 free_pages((unsigned long)image->arch.pgd, PGD_ALLOCATION_ORDER); in machine_kexec_free_page_tables()
46 image->arch.pgd = NULL; in machine_kexec_free_page_tables()
61 image->arch.pgd = (pgd_t *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, in machine_kexec_alloc_page_tables()
69 if (!image->arch.pgd || in machine_kexec_alloc_page_tables()
80 pgd_t *pgd, pmd_t *pmd, pte_t *pte, in machine_kexec_page_table_set_one() argument
86 pgd += pgd_index(vaddr); in machine_kexec_page_table_set_one()
88 if (!(pgd_val(*pgd) & _PAGE_PRESENT)) in machine_kexec_page_table_set_one()
89 set_pgd(pgd, __pgd(__pa(pmd) | _PAGE_PRESENT)); in machine_kexec_page_table_set_one()
91 p4d = p4d_offset(pgd, vaddr); in machine_kexec_page_table_set_one()
110 image->arch.pgd, pmd, image->arch.pte0, in machine_kexec_prepare_page_tables()
[all …]
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| /Linux-v5.15/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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| /Linux-v5.15/arch/riscv/include/asm/ |
| D | pgalloc.h | 43 pgd_t *pgd; in pgd_alloc() local
45 pgd = (pgd_t *)__get_free_page(GFP_KERNEL); in pgd_alloc()
46 if (likely(pgd != NULL)) { in pgd_alloc()
47 memset(pgd, 0, USER_PTRS_PER_PGD * sizeof(pgd_t)); in pgd_alloc()
49 memcpy(pgd + USER_PTRS_PER_PGD, in pgd_alloc()
50 init_mm.pgd + USER_PTRS_PER_PGD, in pgd_alloc()
53 return pgd; in pgd_alloc()
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| /Linux-v5.15/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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| /Linux-v5.15/arch/um/kernel/ |
| D | mem.c | 96 pgd_t *pgd; in fixrange_init() local
106 pgd = pgd_base + i; in fixrange_init()
108 for ( ; (i < PTRS_PER_PGD) && (vaddr < end); pgd++, i++) { in fixrange_init()
109 p4d = p4d_offset(pgd, vaddr); in fixrange_init()
186 pgd_t *pgd = (pgd_t *)__get_free_page(GFP_KERNEL); in pgd_alloc() local
188 if (pgd) { in pgd_alloc()
189 memset(pgd, 0, USER_PTRS_PER_PGD * sizeof(pgd_t)); in pgd_alloc()
190 memcpy(pgd + USER_PTRS_PER_PGD, in pgd_alloc()
194 return pgd; in pgd_alloc()
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| /Linux-v5.15/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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| /Linux-v5.15/arch/s390/mm/ |
| D | page-states.c | 141 static void mark_kernel_p4d(pgd_t *pgd, unsigned long addr, unsigned long end) in mark_kernel_p4d() argument
148 p4d = p4d_offset(pgd, addr); in mark_kernel_p4d()
166 pgd_t *pgd; in mark_kernel_pgd() local
170 pgd = pgd_offset_k(addr); in mark_kernel_pgd()
173 if (pgd_none(*pgd)) in mark_kernel_pgd()
175 if (!pgd_folded(*pgd)) { in mark_kernel_pgd()
176 page = phys_to_page(pgd_val(*pgd)); in mark_kernel_pgd()
180 mark_kernel_p4d(pgd, addr, next); in mark_kernel_pgd()
181 } while (pgd++, addr = next, addr != MODULES_END); in mark_kernel_pgd()
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| /Linux-v5.15/arch/x86/xen/ |
| D | mmu_pv.c | 362 __visible pgdval_t xen_pgd_val(pgd_t pgd) in xen_pgd_val() argument
364 return pte_mfn_to_pfn(pgd.pgd); in xen_pgd_val()
376 __visible pgd_t xen_make_pgd(pgdval_t pgd) in xen_make_pgd() argument
378 pgd = pte_pfn_to_mfn(pgd); in xen_make_pgd()
379 return native_make_pgd(pgd); in xen_make_pgd()
442 static pgd_t *xen_get_user_pgd(pgd_t *pgd) in xen_get_user_pgd() argument
444 pgd_t *pgd_page = (pgd_t *)(((unsigned long)pgd) & PAGE_MASK); in xen_get_user_pgd()
445 unsigned offset = pgd - pgd_page; in xen_get_user_pgd()
500 pgd_val.pgd = p4d_val_ma(val); in xen_set_p4d()
597 static void __xen_pgd_walk(struct mm_struct *mm, pgd_t *pgd, in __xen_pgd_walk() argument
[all …]
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| /Linux-v5.15/arch/riscv/mm/ |
| D | kasan_init.c | 18 pgd_t *pgd = early_pg_dir + pgd_index(KASAN_SHADOW_START); in kasan_early_init() local
35 i += PGDIR_SIZE, ++pgd) in kasan_early_init()
36 set_pgd(pgd, in kasan_early_init()
42 pgd = pgd_offset_k(KASAN_SHADOW_START); in kasan_early_init()
45 i += PGDIR_SIZE, ++pgd) in kasan_early_init()
46 set_pgd(pgd, in kasan_early_init()
76 static void __init kasan_populate_pmd(pgd_t *pgd, unsigned long vaddr, unsigned long end) in kasan_populate_pmd() argument
82 base_pmd = (pmd_t *)pgd_page_vaddr(*pgd); in kasan_populate_pmd()
108 set_pgd(pgd, pfn_pgd(PFN_DOWN(__pa(base_pmd)), PAGE_TABLE)); in kasan_populate_pmd()
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