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Searched refs:pgd (Results 1 – 25 of 238) sorted by relevance

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/linux/include/asm-generic/
H A Dpgtable-nop4d.h9 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()
[all …]
/linux/arch/x86/mm/
H A Dkasan_init_64.c123 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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H A Dpgtable.c101 static inline void pgd_list_add(pgd_t *pgd) in pgd_list_add()
103 struct ptdesc *ptdesc = virt_to_ptdesc(pgd); in pgd_list_del() argument
108 static inline void pgd_list_del(pgd_t *pgd) in pgd_list_del()
110 struct ptdesc *ptdesc = virt_to_ptdesc(pgd);
121 static void pgd_set_mm(pgd_t *pgd, struct mm_struct *mm) in pgd_page_get_mm()
123 virt_to_ptdesc(pgd)->pt_mm = mm; in pgd_page_get_mm()
131 static void pgd_ctor(struct mm_struct *mm, pgd_t *pgd) in pgd_ctor()
133 /* If the pgd points to a shared pagetable level (either the in pgd_ctor()
139 clone_pgd_range(pgd + KERNEL_PGD_BOUNDARY, in pgd_ctor()
146 pgd_set_mm(pgd, m argument
96 pgd_list_add(pgd_t * pgd) pgd_list_add() argument
116 pgd_set_mm(pgd_t * pgd,struct mm_struct * mm) pgd_set_mm() argument
126 pgd_ctor(struct mm_struct * mm,pgd_t * pgd) pgd_ctor() argument
276 pgd_t pgd = *pgdp; mop_up_one_pmd() local
308 pgd_prepopulate_pmd(struct mm_struct * mm,pgd_t * pgd,pmd_t * pmds[]) pgd_prepopulate_pmd() argument
412 _pgd_free(pgd_t * pgd) _pgd_free() argument
427 _pgd_free(pgd_t * pgd) _pgd_free() argument
435 pgd_t *pgd; pgd_alloc() local
487 pgd_free(struct mm_struct * mm,pgd_t * pgd) pgd_free() argument
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H A Dpti.c124 pgd_t __pti_set_user_pgtbl(pgd_t *pgdp, pgd_t pgd) in __pti_set_user_pgtbl() argument
135 if (!pgdp_maps_userspace(pgdp) || (pgd.pgd & _PAGE_NOPTISHADOW)) in __pti_set_user_pgtbl()
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()
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H A Dident_map.c50 static void free_p4d(struct x86_mapping_info *info, pgd_t *pgd) in free_p4d() argument
52 p4d_t *p4d = p4d_offset(pgd, 0); in free_p4d()
66 void kernel_ident_mapping_free(struct x86_mapping_info *info, pgd_t *pgd) in kernel_ident_mapping_free() argument
71 if (!pgd_present(pgd[i])) in kernel_ident_mapping_free()
74 free_p4d(info, &pgd[i]); in kernel_ident_mapping_free()
77 info->free_pgt_page(pgd, info->context); in kernel_ident_mapping_free()
199 pgd_t *pgd = pgd_page + pgd_index(addr); in kernel_ident_mapping_init() local
206 if (pgd_present(*pgd)) { in kernel_ident_mapping_init()
207 p4d = p4d_offset(pgd, 0); in kernel_ident_mapping_init()
221 set_pgd(pgd, __pgd(__pa(p4d) | info->kernpg_flag | _PAGE_NOPTISHADOW)); in kernel_ident_mapping_init()
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H A Dinit_32.c67 static pmd_t * __init one_md_table_init(pgd_t *pgd) in one_md_table_init() argument
74 if (!(pgd_val(*pgd) & _PAGE_PRESENT)) { in one_md_table_init()
76 set_pgd(pgd, __pgd(__pa(pmd_table) | _PAGE_PRESENT)); in one_md_table_init()
77 p4d = p4d_offset(pgd, 0); in one_md_table_init()
84 p4d = p4d_offset(pgd, 0); in one_md_table_init()
208 pgd_t *pgd; in page_table_range_init() local
220 pgd = pgd_base + pgd_idx; in page_table_range_init()
222 for ( ; (pgd_idx < PTRS_PER_PGD) && (vaddr != end); pgd++, pgd_idx++) { in page_table_range_init()
223 pmd = one_md_table_init(pgd); in page_table_range_init()
260 pgd_t *pgd; in kernel_physical_mapping_init() local
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/linux/arch/powerpc/include/asm/book3s/64/
H A Dpgalloc.h39 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 …]
/linux/arch/arm/mm/
H A Dpgd.c3 * linux/arch/arm/mm/pgd.c
21 #define _pgd_free(mm, pgd) kfree(pgd) argument
24 #define _pgd_free(mm, pgd) __pgd_free(mm, pgd) argument
142 pgd_t *pgd; in pgd_free()
151 pgd = pgd_base + pgd_index(0); in pgd_free()
152 if (pgd_none_or_clear_bad(pgd)) in pgd_free()
155 p4d = p4d_offset(pgd, 0); in pgd_free()
179 pgd_clear(pgd); in pgd_free()
144 pgd_t *pgd; pgd_free() local
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/linux/arch/riscv/include/asm/
H A Dpgtable-64.h343 static inline void set_pgd(pgd_t *pgdp, pgd_t pgd) in set_pgd() argument
346 WRITE_ONCE(*pgdp, pgd); in set_pgd()
348 set_p4d((p4d_t *)pgdp, (p4d_t){ pgd_val(pgd) }); in set_pgd()
351 static inline int pgd_none(pgd_t pgd) in pgd_none() argument
354 return (pgd_val(pgd) == 0); in pgd_none()
359 static inline int pgd_present(pgd_t pgd) in pgd_present() argument
362 return (pgd_val(pgd) & _PAGE_PRESENT); in pgd_present()
367 static inline int pgd_bad(pgd_t pgd) in pgd_bad() argument
370 return !pgd_present(pgd); in pgd_bad()
375 static inline void pgd_clear(pgd_t *pgd) in pgd_clear() argument
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/linux/arch/x86/kernel/acpi/
H A Dmadt_wakeup.c79 static int __init init_transition_pgtable(pgd_t *pgd) in init_transition_pgtable() argument
89 pgd += pgd_index(vaddr); in init_transition_pgtable()
90 if (!pgd_present(*pgd)) { in init_transition_pgtable()
94 set_pgd(pgd, __pgd(__pa(p4d) | _KERNPG_TABLE)); in init_transition_pgtable()
96 p4d = p4d_offset(pgd, vaddr); in init_transition_pgtable()
133 pgd_t *pgd; in acpi_mp_setup_reset() local
135 pgd = alloc_pgt_page(NULL); in acpi_mp_setup_reset()
136 if (!pgd) in acpi_mp_setup_reset()
144 if (kernel_ident_mapping_init(&info, pgd, mstart, mend)) { in acpi_mp_setup_reset()
145 kernel_ident_mapping_free(&info, pgd); in acpi_mp_setup_reset()
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/linux/arch/x86/power/
H A Dhibernate_32.c30 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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H A Dhibernate_64.c28 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()
/linux/arch/sh/mm/
H A Dfault.c39 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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H A Dpgtable.c14 pgd_t *pgd = x; in pgd_ctor() local
16 memset(pgd, 0, USER_PTRS_PER_PGD * sizeof(pgd_t)); in pgd_ctor()
17 memcpy(pgd + USER_PTRS_PER_PGD, in pgd_ctor()
39 void pgd_free(struct mm_struct *mm, pgd_t *pgd) in pgd_free() argument
41 kmem_cache_free(pgd_cachep, pgd); in pgd_free()
/linux/arch/parisc/include/asm/
H A Dpgalloc.h16 /* Allocate the top level pgd (page directory) */
21 pgd_t *pgd; pgd_alloc() local
32 pgd_free(struct mm_struct * mm,pgd_t * pgd) pgd_free() argument
/linux/arch/loongarch/mm/
H A Dhugetlbpage.c19 pgd_t *pgd; in huge_pte_alloc() local
24 pgd = pgd_offset(mm, addr); in huge_pte_alloc()
25 p4d = p4d_alloc(mm, pgd, addr); in huge_pte_alloc()
36 pgd_t *pgd; in huge_pte_offset() local
41 pgd = pgd_offset(mm, addr); in huge_pte_offset()
42 if (pgd_present(pgdp_get(pgd))) { in huge_pte_offset()
43 p4d = p4d_offset(pgd, addr); in huge_pte_offset()
/linux/arch/hexagon/include/asm/
H A Dpgalloc.h23 pgd_t *pgd; in pgd_alloc() local
25 pgd = __pgd_alloc(mm, 0); 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()
/linux/arch/x86/xen/
H A Dmmu_pv.c92 pgdval_t xen_pgd_val(pgd_t pgd);
97 pgd_t xen_make_pgd(pgdval_t pgd);
426 __visible pgdval_t xen_pgd_val(pgd_t pgd) in xen_pgd_val() argument
428 return pte_mfn_to_pfn(pgd.pgd); in xen_pgd_val()
440 __visible pgd_t xen_make_pgd(pgdval_t pgd) in xen_make_pgd() argument
442 pgd = pte_pfn_to_mfn(pgd); in xen_make_pgd()
443 return native_make_pgd(pgd); in xen_make_pgd()
506 static pgd_t *xen_get_user_pgd(pgd_t *pgd) in xen_get_user_pgd() argument
508 pgd_t *pgd_page = (pgd_t *)(((unsigned long)pgd) & PAGE_MASK); in xen_get_user_pgd()
509 unsigned offset = pgd - pgd_page; in xen_get_user_pgd()
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/linux/arch/x86/include/asm/
H A Dpgtable_64.h144 pgd_t pgd; in native_set_p4d() local
152 pgd = native_make_pgd(native_p4d_val(p4d)); in native_set_p4d()
153 pgd = pti_set_user_pgtbl((pgd_t *)p4dp, pgd); in native_set_p4d()
154 WRITE_ONCE(*p4dp, native_make_p4d(native_pgd_val(pgd))); in native_set_p4d()
162 static inline void native_set_pgd(pgd_t *pgdp, pgd_t pgd) in native_set_pgd() argument
164 WRITE_ONCE(*pgdp, pti_set_user_pgtbl(pgdp, pgd)); in native_set_pgd()
167 static inline void native_pgd_clear(pgd_t *pgd) in native_pgd_clear() argument
169 native_set_pgd(pgd, native_make_pgd(0)); in native_pgd_clear()
H A Dpgtable_types.h299 typedef struct { pgdval_t pgd; } pgd_t; member
335 static inline pgdval_t native_pgd_val(pgd_t pgd) in native_pgd_val() argument
337 return pgd.pgd & PGD_ALLOWED_BITS; in native_pgd_val()
340 static inline pgdval_t pgd_flags(pgd_t pgd) in pgd_flags() argument
342 return native_pgd_val(pgd) & PTE_FLAGS_MASK; in pgd_flags()
362 return (p4d_t) { .pgd = native_make_pgd((pgdval_t)val) }; in native_make_p4d()
367 return native_pgd_val(p4d.pgd); in native_p4d_val()
388 return (pud_t) { .p4d.pgd = native_make_pgd(val) }; in native_make_pud()
393 return native_pgd_val(pud.p4d.pgd); in native_pud_val()
412 return (pmd_t) { .pud.p4d.pgd = native_make_pgd(val) }; in native_make_pmd()
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/linux/arch/um/kernel/
H A Dtlb.c138 static inline int update_p4d_range(pgd_t *pgd, unsigned long addr, in update_p4d_range() argument
146 p4d = p4d_offset(pgd, addr); in update_p4d_range()
163 pgd_t *pgd; in um_tlb_sync() local
180 pgd = pgd_offset(mm, addr); in um_tlb_sync()
183 if (!pgd_present(*pgd)) { in um_tlb_sync()
184 if (pgd_needsync(*pgd)) { in um_tlb_sync()
187 pgd_mkuptodate(*pgd); in um_tlb_sync()
190 ret = update_p4d_range(pgd, addr, next, &ops); in um_tlb_sync()
191 } while (pgd++, addr = next, in um_tlb_sync()
/linux/arch/parisc/mm/
H A Dhugetlbpage.c29 pgd_t *pgd; in huge_pte_alloc() local
42 pgd = pgd_offset(mm, addr); in huge_pte_alloc()
43 p4d = p4d_offset(pgd, addr); in huge_pte_alloc()
56 pgd_t *pgd; in huge_pte_offset() local
64 pgd = pgd_offset(mm, addr); in huge_pte_offset()
65 if (!pgd_none(*pgd)) { in huge_pte_offset()
66 p4d = p4d_offset(pgd, addr); in huge_pte_offset()
/linux/arch/s390/mm/
H A Dvmem.c378 static int modify_p4d_table(pgd_t *pgd, unsigned long addr, unsigned long end, in modify_p4d_table() argument
386 p4d = p4d_offset(pgd, addr); in modify_p4d_table()
409 static void try_free_p4d_table(pgd_t *pgd, unsigned long start) in try_free_p4d_table() argument
414 p4d = p4d_offset(pgd, start); in try_free_p4d_table()
419 vmem_free_pages(pgd_deref(*pgd), CRST_ALLOC_ORDER, NULL); in try_free_p4d_table()
420 pgd_clear(pgd); in try_free_p4d_table()
428 pgd_t *pgd; in modify_pagetable() local
438 pgd = pgd_offset_k(addr); in modify_pagetable()
441 if (pgd_none(*pgd)) in modify_pagetable()
443 } else if (pgd_none(*pgd)) { in modify_pagetable()
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H A Dpgalloc.c77 unsigned long *pgd = NULL, *p4d = NULL, *__pgd; in crst_table_upgrade() local
94 pgd = crst_table_alloc(mm); in crst_table_upgrade()
95 if (unlikely(!pgd)) in crst_table_upgrade()
97 crst_table_init(pgd, _REGION1_ENTRY_EMPTY); in crst_table_upgrade()
98 pagetable_pgd_ctor(virt_to_ptdesc(pgd)); in crst_table_upgrade()
111 __pgd = (unsigned long *) mm->pgd; in crst_table_upgrade()
113 mm->pgd = (pgd_t *) p4d; in crst_table_upgrade()
115 mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH | in crst_table_upgrade()
119 if (pgd) { in crst_table_upgrade()
120 __pgd = (unsigned long *) mm->pgd; in crst_table_upgrade()
[all …]
/linux/arch/m68k/include/asm/
H A Dmmu_context.h67 static inline void set_context(mm_context_t context, pgd_t *pgd) in set_context() argument
76 set_context(tsk->mm->context, next->pgd); in switch_mm()
88 set_context(mm->context, mm->pgd); in activate_mm()
98 pgd_t *pgd; in load_ksp_mmu() local
124 pgd = pgd_offset(mm, mmuar); in load_ksp_mmu()
125 if (pgd_none(*pgd)) in load_ksp_mmu()
128 p4d = p4d_offset(pgd, mmuar); in load_ksp_mmu()
230 mm->context = virt_to_phys(mm->pgd); in init_new_context()
305 next_mm->context = virt_to_phys(next_mm->pgd); in activate_mm()

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