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
146 static int __ref zero_pud_populate(p4d_t *p4d, unsigned long addr,  in zero_pud_populate()  argument
149 	pud_t *pud = pud_offset(p4d, addr);  in zero_pud_populate()
191 	p4d_t *p4d = p4d_offset(pgd, addr);  in zero_p4d_populate()  local
200 			p4d_populate(&init_mm, p4d,  in zero_p4d_populate()
202 			pud = pud_offset(p4d, addr);  in zero_p4d_populate()
211 		if (p4d_none(*p4d)) {  in zero_p4d_populate()
215 				p = pud_alloc(&init_mm, p4d, addr);  in zero_p4d_populate()
221 				p4d_populate(&init_mm, p4d, p);  in zero_p4d_populate()
224 		zero_pud_populate(p4d, addr, next);  in zero_p4d_populate()
225 	} while (p4d++, addr = next, addr != end);  in zero_p4d_populate()
248 			p4d_t *p4d;  in kasan_populate_early_shadow()  local
262 			p4d = p4d_offset(pgd, addr);  in kasan_populate_early_shadow()
263 			p4d_populate(&init_mm, p4d,  in kasan_populate_early_shadow()
265 			pud = pud_offset(p4d, addr);  in kasan_populate_early_shadow()
322 static void kasan_free_pud(pud_t *pud_start, p4d_t *p4d)  in kasan_free_pud()  argument
333 	pud_free(&init_mm, (pud_t *)page_to_virt(p4d_page(*p4d)));  in kasan_free_pud()
334 	p4d_clear(p4d);  in kasan_free_pud()
339 	p4d_t *p4d;  in kasan_free_p4d()  local
343 		p4d = p4d_start + i;  in kasan_free_p4d()
344 		if (!p4d_none(*p4d))  in kasan_free_p4d()
427 static void kasan_remove_p4d_table(p4d_t *p4d, unsigned long addr,  in kasan_remove_p4d_table()  argument
432 	for (; addr < end; addr = next, p4d++) {  in kasan_remove_p4d_table()
437 		if (!p4d_present(*p4d))  in kasan_remove_p4d_table()
440 		if (kasan_pud_table(*p4d)) {  in kasan_remove_p4d_table()
443 				p4d_clear(p4d);  in kasan_remove_p4d_table()
447 		pud = pud_offset(p4d, addr);  in kasan_remove_p4d_table()
449 		kasan_free_pud(pud_offset(p4d, 0), p4d);  in kasan_remove_p4d_table()
466 		p4d_t *p4d;  in kasan_remove_zero_shadow()  local
482 		p4d = p4d_offset(pgd, addr);  in kasan_remove_zero_shadow()
483 		kasan_remove_p4d_table(p4d, addr, next);  in kasan_remove_zero_shadow()