| /Linux-v5.15/include/asm-generic/ |
| D | pgtable-nopud.h | 16 typedef struct { p4d_t p4d; } pud_t; member
28 static inline int p4d_none(p4d_t p4d) { return 0; } in p4d_none() argument
29 static inline int p4d_bad(p4d_t p4d) { return 0; } in p4d_bad() argument
30 static inline int p4d_present(p4d_t p4d) { return 1; } in p4d_present() argument
31 static inline void p4d_clear(p4d_t *p4d) { } in p4d_clear() argument
32 #define pud_ERROR(pud) (p4d_ERROR((pud).p4d))
34 #define p4d_populate(mm, p4d, pud) do { } while (0) argument
35 #define p4d_populate_safe(mm, p4d, pud) do { } while (0) argument
42 static inline pud_t *pud_offset(p4d_t *p4d, unsigned long address) in pud_offset() argument
44 return (pud_t *)p4d; in pud_offset()
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| /Linux-v5.15/mm/kasan/ |
| D | init.c | 45 static inline bool kasan_pud_table(p4d_t p4d) in kasan_pud_table() argument
47 return p4d_page(p4d) == virt_to_page(lm_alias(kasan_early_shadow_pud)); in kasan_pud_table()
50 static inline bool kasan_pud_table(p4d_t p4d) in kasan_pud_table() argument
142 static int __ref zero_pud_populate(p4d_t *p4d, unsigned long addr, in zero_pud_populate() argument
145 pud_t *pud = pud_offset(p4d, addr); in zero_pud_populate()
182 p4d_t *p4d = p4d_offset(pgd, addr); in zero_p4d_populate() local
191 p4d_populate(&init_mm, p4d, in zero_p4d_populate()
193 pud = pud_offset(p4d, addr); in zero_p4d_populate()
202 if (p4d_none(*p4d)) { in zero_p4d_populate()
206 p = pud_alloc(&init_mm, p4d, addr); in zero_p4d_populate()
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| /Linux-v5.15/arch/powerpc/include/asm/nohash/64/ |
| D | pgtable-4k.h | 56 #define p4d_none(p4d) (!p4d_val(p4d)) argument
57 #define p4d_bad(p4d) (p4d_val(p4d) == 0) argument
58 #define p4d_present(p4d) (p4d_val(p4d) != 0) argument
62 static inline pud_t *p4d_pgtable(p4d_t p4d) in p4d_pgtable() argument
64 return (pud_t *) (p4d_val(p4d) & ~P4D_MASKED_BITS); in p4d_pgtable()
72 static inline pte_t p4d_pte(p4d_t p4d) in p4d_pte() argument
74 return __pte(p4d_val(p4d)); in p4d_pte()
81 extern struct page *p4d_page(p4d_t p4d);
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| /Linux-v5.15/arch/x86/include/asm/ |
| D | pgalloc.h | 113 static inline void p4d_populate(struct mm_struct *mm, p4d_t *p4d, pud_t *pud) in p4d_populate() argument
116 set_p4d(p4d, __p4d(_PAGE_TABLE | __pa(pud))); in p4d_populate()
119 static inline void p4d_populate_safe(struct mm_struct *mm, p4d_t *p4d, pud_t *pud) in p4d_populate_safe() argument
122 set_p4d_safe(p4d, __p4d(_PAGE_TABLE | __pa(pud))); in p4d_populate_safe()
134 static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, p4d_t *p4d) in pgd_populate() argument
138 paravirt_alloc_p4d(mm, __pa(p4d) >> PAGE_SHIFT); in pgd_populate()
139 set_pgd(pgd, __pgd(_PAGE_TABLE | __pa(p4d))); in pgd_populate()
142 static inline void pgd_populate_safe(struct mm_struct *mm, pgd_t *pgd, p4d_t *p4d) in pgd_populate_safe() argument
146 paravirt_alloc_p4d(mm, __pa(p4d) >> PAGE_SHIFT); in pgd_populate_safe()
147 set_pgd_safe(pgd, __pgd(_PAGE_TABLE | __pa(p4d))); in pgd_populate_safe()
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| D | pgtable_types.h | 329 typedef struct { p4dval_t p4d; } p4d_t; member
336 static inline p4dval_t native_p4d_val(p4d_t p4d) in native_p4d_val() argument
338 return p4d.p4d; in native_p4d_val()
348 static inline p4dval_t native_p4d_val(p4d_t p4d) in native_p4d_val() argument
350 return native_pgd_val(p4d.pgd); in native_p4d_val()
371 return (pud_t) { .p4d.pgd = native_make_pgd(val) }; in native_make_pud()
376 return native_pgd_val(pud.p4d.pgd); in native_pud_val()
397 return (pmd_t) { .pud.p4d.pgd = native_make_pgd(val) }; in native_make_pmd()
402 return native_pgd_val(pmd.pud.p4d.pgd); in native_pmd_val()
406 static inline p4dval_t p4d_pfn_mask(p4d_t p4d) in p4d_pfn_mask() argument
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| /Linux-v5.15/arch/x86/mm/ |
| D | init_64.c | 73 DEFINE_POPULATE(p4d_populate, p4d, pud, init)
74 DEFINE_POPULATE(pgd_populate, pgd, p4d, init)
88 DEFINE_ENTRY(p4d, p4d, init)
187 p4d_t *p4d; in sync_global_pgds_l4() local
191 p4d = p4d_offset(pgd, addr); in sync_global_pgds_l4()
196 if (!p4d_none(*p4d_ref) && !p4d_none(*p4d)) in sync_global_pgds_l4()
197 BUG_ON(p4d_pgtable(*p4d) in sync_global_pgds_l4()
200 if (p4d_none(*p4d)) in sync_global_pgds_l4()
201 set_p4d(p4d, *p4d_ref); in sync_global_pgds_l4()
247 p4d_t *p4d = (p4d_t *)spp_getpage(); in fill_p4d() local
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| D | kasan_init_64.c | 103 static void __init kasan_populate_p4d(p4d_t *p4d, unsigned long addr, in kasan_populate_p4d() argument
109 if (p4d_none(*p4d)) { in kasan_populate_p4d()
112 p4d_populate(&init_mm, p4d, p); in kasan_populate_p4d()
115 pud = pud_offset(p4d, addr); in kasan_populate_p4d()
127 p4d_t *p4d; in kasan_populate_pgd() local
135 p4d = p4d_offset(pgd, addr); in kasan_populate_pgd()
138 kasan_populate_p4d(p4d, addr, next, nid); in kasan_populate_pgd()
139 } while (p4d++, addr = next, addr != end); in kasan_populate_pgd()
194 unsigned long p4d; in early_p4d_offset() local
199 p4d = pgd_val(*pgd) & PTE_PFN_MASK; in early_p4d_offset()
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| D | ident_map.c | 68 p4d_t *p4d = p4d_page + p4d_index(addr); in ident_p4d_init() local
75 if (p4d_present(*p4d)) { in ident_p4d_init()
76 pud = pud_offset(p4d, 0); in ident_p4d_init()
91 set_p4d(p4d, __p4d(__pa(pud) | info->kernpg_flag)); in ident_p4d_init()
114 p4d_t *p4d; in kernel_ident_mapping_init() local
121 p4d = p4d_offset(pgd, 0); in kernel_ident_mapping_init()
122 result = ident_p4d_init(info, p4d, addr, next); in kernel_ident_mapping_init()
128 p4d = (p4d_t *)info->alloc_pgt_page(info->context); in kernel_ident_mapping_init()
129 if (!p4d) in kernel_ident_mapping_init()
131 result = ident_p4d_init(info, p4d, addr, next); in kernel_ident_mapping_init()
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| D | pti.c | 202 p4d_t *p4d; in pti_user_pagetable_walk_pmd() local
205 p4d = pti_user_pagetable_walk_p4d(address); in pti_user_pagetable_walk_pmd()
206 if (!p4d) in pti_user_pagetable_walk_pmd()
209 BUILD_BUG_ON(p4d_large(*p4d) != 0); in pti_user_pagetable_walk_pmd()
210 if (p4d_none(*p4d)) { in pti_user_pagetable_walk_pmd()
215 set_p4d(p4d, __p4d(_KERNPG_TABLE | __pa(new_pud_page))); in pti_user_pagetable_walk_pmd()
218 pud = pud_offset(p4d, address); in pti_user_pagetable_walk_pmd()
316 p4d_t *p4d; in pti_clone_pgtable() local
326 p4d = p4d_offset(pgd, addr); in pti_clone_pgtable()
327 if (WARN_ON(p4d_none(*p4d))) in pti_clone_pgtable()
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| /Linux-v5.15/arch/sh/mm/ |
| D | hugetlbpage.c | 28 p4d_t *p4d; in huge_pte_alloc() local
35 p4d = p4d_alloc(mm, pgd, addr); in huge_pte_alloc()
36 if (p4d) { in huge_pte_alloc()
37 pud = pud_alloc(mm, p4d, addr); in huge_pte_alloc()
53 p4d_t *p4d; in huge_pte_offset() local
60 p4d = p4d_offset(pgd, addr); in huge_pte_offset()
61 if (p4d) { in huge_pte_offset()
62 pud = pud_offset(p4d, addr); in huge_pte_offset()
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| /Linux-v5.15/arch/mips/include/asm/ |
| D | pgtable-64.h | 189 static inline int p4d_none(p4d_t p4d) in p4d_none() argument
191 return p4d_val(p4d) == (unsigned long)invalid_pud_table; in p4d_none()
194 static inline int p4d_bad(p4d_t p4d) in p4d_bad() argument
196 if (unlikely(p4d_val(p4d) & ~PAGE_MASK)) in p4d_bad()
202 static inline int p4d_present(p4d_t p4d) in p4d_present() argument
204 return p4d_val(p4d) != (unsigned long)invalid_pud_table; in p4d_present()
212 static inline pud_t *p4d_pgtable(p4d_t p4d) in p4d_pgtable() argument
214 return (pud_t *)p4d_val(p4d); in p4d_pgtable()
217 #define p4d_phys(p4d) virt_to_phys((void *)p4d_val(p4d)) argument
218 #define p4d_page(p4d) (pfn_to_page(p4d_phys(p4d) >> PAGE_SHIFT)) argument
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| /Linux-v5.15/arch/mips/mm/ |
| D | hugetlbpage.c | 28 p4d_t *p4d; in huge_pte_alloc() local
33 p4d = p4d_alloc(mm, pgd, addr); in huge_pte_alloc()
34 pud = pud_alloc(mm, p4d, addr); in huge_pte_alloc()
45 p4d_t *p4d; in huge_pte_offset() local
51 p4d = p4d_offset(pgd, addr); in huge_pte_offset()
52 if (p4d_present(*p4d)) { in huge_pte_offset()
53 pud = pud_offset(p4d, addr); in huge_pte_offset()
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| /Linux-v5.15/arch/arm/mm/ |
| D | pgd.c | 145 p4d_t *p4d; in pgd_free() local
157 p4d = p4d_offset(pgd, 0); in pgd_free()
158 if (p4d_none_or_clear_bad(p4d)) in pgd_free()
161 pud = pud_offset(p4d, 0); in pgd_free()
178 p4d_clear(p4d); in pgd_free()
182 p4d_free(mm, p4d); in pgd_free()
193 p4d = p4d_offset(pgd, 0); in pgd_free()
194 if (p4d_none_or_clear_bad(p4d)) in pgd_free()
196 pud = pud_offset(p4d, 0); in pgd_free()
203 p4d_clear(p4d); in pgd_free()
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| /Linux-v5.15/arch/s390/mm/ |
| D | vmem.c | 311 static int modify_pud_table(p4d_t *p4d, unsigned long addr, unsigned long end, in modify_pud_table() argument
322 pud = pud_offset(p4d, addr); in modify_pud_table()
365 static void try_free_pud_table(p4d_t *p4d, unsigned long start) in try_free_pud_table() argument
379 pud = pud_offset(p4d, start); in try_free_pud_table()
384 vmem_free_pages(p4d_deref(*p4d), CRST_ALLOC_ORDER); in try_free_pud_table()
385 p4d_clear(p4d); in try_free_pud_table()
393 p4d_t *p4d; in modify_p4d_table() local
396 p4d = p4d_offset(pgd, addr); in modify_p4d_table()
397 for (; addr < end; addr = next, p4d++) { in modify_p4d_table()
400 if (p4d_none(*p4d)) in modify_p4d_table()
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| D | page-states.c | 120 static void mark_kernel_pud(p4d_t *p4d, unsigned long addr, unsigned long end) in mark_kernel_pud() argument
127 pud = pud_offset(p4d, addr); in mark_kernel_pud()
145 p4d_t *p4d; in mark_kernel_p4d() local
148 p4d = p4d_offset(pgd, addr); in mark_kernel_p4d()
151 if (p4d_none(*p4d)) in mark_kernel_p4d()
153 if (!p4d_folded(*p4d)) { in mark_kernel_p4d()
154 page = phys_to_page(p4d_val(*p4d)); in mark_kernel_p4d()
158 mark_kernel_pud(p4d, addr, next); in mark_kernel_p4d()
159 } while (p4d++, addr = next, addr != end); in mark_kernel_p4d()
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| /Linux-v5.15/arch/x86/power/ |
| D | hibernate_64.c | 32 p4d_t *p4d = NULL; in set_up_temporary_text_mapping() local
55 p4d = (p4d_t *)get_safe_page(GFP_ATOMIC); in set_up_temporary_text_mapping()
56 if (!p4d) in set_up_temporary_text_mapping()
72 if (p4d) { in set_up_temporary_text_mapping()
74 pgd_t new_pgd = __pgd(__pa(p4d) | pgprot_val(pgtable_prot)); in set_up_temporary_text_mapping()
76 set_p4d(p4d + p4d_index(restore_jump_address), new_p4d); in set_up_temporary_text_mapping()
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| D | hibernate.c | 153 p4d_t *p4d; in relocate_restore_code() local
167 p4d = p4d_offset(pgd, relocated_restore_code); in relocate_restore_code()
168 if (p4d_large(*p4d)) { in relocate_restore_code()
169 set_p4d(p4d, __p4d(p4d_val(*p4d) & ~_PAGE_NX)); in relocate_restore_code()
172 pud = pud_offset(p4d, relocated_restore_code); in relocate_restore_code()
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| /Linux-v5.15/arch/sparc/mm/ |
| D | hugetlbpage.c | 284 p4d_t *p4d; in huge_pte_alloc() local
289 p4d = p4d_offset(pgd, addr); in huge_pte_alloc()
290 pud = pud_alloc(mm, p4d, addr); in huge_pte_alloc()
307 p4d_t *p4d; in huge_pte_offset() local
314 p4d = p4d_offset(pgd, addr); in huge_pte_offset()
315 if (p4d_none(*p4d)) in huge_pte_offset()
317 pud = pud_offset(p4d, addr); in huge_pte_offset()
462 static void hugetlb_free_pud_range(struct mmu_gather *tlb, p4d_t *p4d, in hugetlb_free_pud_range() argument
471 pud = pud_offset(p4d, addr); in hugetlb_free_pud_range()
494 pud = pud_offset(p4d, start); in hugetlb_free_pud_range()
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| /Linux-v5.15/arch/powerpc/mm/ |
| D | pgtable.c | 299 p4d_t *p4d; in assert_pte_locked() local
307 p4d = p4d_offset(pgd, addr); in assert_pte_locked()
308 BUG_ON(p4d_none(*p4d)); in assert_pte_locked()
309 pud = pud_offset(p4d, addr); in assert_pte_locked()
350 p4d_t p4d, *p4dp; in __find_linux_pte() local
372 p4d = READ_ONCE(*p4dp); in __find_linux_pte()
375 if (p4d_none(p4d)) in __find_linux_pte()
378 if (p4d_is_leaf(p4d)) { in __find_linux_pte()
383 if (is_hugepd(__hugepd(p4d_val(p4d)))) { in __find_linux_pte()
384 hpdp = (hugepd_t *)&p4d; in __find_linux_pte()
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| D | pgtable_64.c | 102 struct page *p4d_page(p4d_t p4d) in p4d_page() argument
104 if (p4d_is_leaf(p4d)) { in p4d_page()
105 VM_WARN_ON(!p4d_huge(p4d)); in p4d_page()
106 return pte_page(p4d_pte(p4d)); in p4d_page()
108 return virt_to_page(p4d_pgtable(p4d)); in p4d_page()
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| /Linux-v5.15/arch/parisc/mm/ |
| D | hugetlbpage.c | 51 p4d_t *p4d; in huge_pte_alloc() local
64 p4d = p4d_offset(pgd, addr); in huge_pte_alloc()
65 pud = pud_alloc(mm, p4d, addr); in huge_pte_alloc()
78 p4d_t *p4d; in huge_pte_offset() local
87 p4d = p4d_offset(pgd, addr); in huge_pte_offset()
88 if (!p4d_none(*p4d)) { in huge_pte_offset()
89 pud = pud_offset(p4d, addr); in huge_pte_offset()
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| /Linux-v5.15/mm/ |
| D | sparse-vmemmap.c | 138 static int vmemmap_pud_range(p4d_t *p4d, unsigned long addr, in vmemmap_pud_range() argument
145 pud = pud_offset(p4d, addr); in vmemmap_pud_range()
162 p4d_t *p4d; in vmemmap_p4d_range() local
165 p4d = p4d_offset(pgd, addr); in vmemmap_p4d_range()
170 ret = vmemmap_pud_range(p4d, addr, next, walk); in vmemmap_p4d_range()
173 } while (p4d++, addr = next, addr != end); in vmemmap_p4d_range()
537 pud_t * __meminit vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node) in vmemmap_pud_populate() argument
539 pud_t *pud = pud_offset(p4d, addr); in vmemmap_pud_populate()
551 p4d_t *p4d = p4d_offset(pgd, addr); in vmemmap_p4d_populate() local
552 if (p4d_none(*p4d)) { in vmemmap_p4d_populate()
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| /Linux-v5.15/arch/ia64/mm/ |
| D | hugetlbpage.c | 33 p4d_t *p4d; in huge_pte_alloc() local
39 p4d = p4d_offset(pgd, taddr); in huge_pte_alloc()
40 pud = pud_alloc(mm, p4d, taddr); in huge_pte_alloc()
54 p4d_t *p4d; in huge_pte_offset() local
61 p4d = p4d_offset(pgd, addr); in huge_pte_offset()
62 if (p4d_present(*p4d)) { in huge_pte_offset()
63 pud = pud_offset(p4d, taddr); in huge_pte_offset()
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| /Linux-v5.15/arch/um/kernel/ |
| D | tlb.c | 273 static inline int update_pud_range(p4d_t *p4d, unsigned long addr, in update_pud_range() argument
281 pud = pud_offset(p4d, addr); in update_pud_range()
299 p4d_t *p4d; in update_p4d_range() local
303 p4d = p4d_offset(pgd, addr); in update_p4d_range()
306 if (!p4d_present(*p4d)) { in update_p4d_range()
307 if (hvc->force || p4d_newpage(*p4d)) { in update_p4d_range()
309 p4d_mkuptodate(*p4d); in update_p4d_range()
312 ret = update_pud_range(p4d, addr, next, hvc); in update_p4d_range()
313 } while (p4d++, addr = next, ((addr < end) && !ret)); in update_p4d_range()
355 p4d_t *p4d; in flush_tlb_kernel_range_common() local
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| /Linux-v5.15/arch/x86/kernel/ |
| D | head64.c | 142 p4dval_t *p4d; in __startup_64() local
183 p4d = fixup_pointer(&level4_kernel_pgt, physaddr); in __startup_64()
184 p4d[511] += load_delta; in __startup_64()
209 p4d = fixup_pointer(early_dynamic_pgts[(*next_pgt_ptr)++], in __startup_64()
213 pgd[i + 0] = (pgdval_t)p4d + pgtable_flags; in __startup_64()
214 pgd[i + 1] = (pgdval_t)p4d + pgtable_flags; in __startup_64()
217 p4d[(i + 0) % PTRS_PER_P4D] = (pgdval_t)pud + pgtable_flags; in __startup_64()
218 p4d[(i + 1) % PTRS_PER_P4D] = (pgdval_t)pud + pgtable_flags; in __startup_64()
326 p4dval_t p4d, *p4d_p; in __early_make_pgtable() local
358 p4d = *p4d_p; in __early_make_pgtable()
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