x86/mm/kasan_init_64.c

103 static void __init kasan_populate_p4d(p4d_t *p4d, unsigned long addr,
109 	if (p4d_none(*p4d)) {
112 		p4d_populate(&init_mm, p4d, p);
115 	pud = pud_offset(p4d, addr);
127 	p4d_t *p4d;
135 	p4d = p4d_offset(pgd, addr);
138 		kasan_populate_p4d(p4d, addr, next, nid);
139 	} while (p4d++, addr = next, addr != end);
178 		 * With folded p4d, pgd_clear() is nop, use p4d_clear()
194 	unsigned long p4d;
199 	p4d = pgd_val(*pgd) & PTE_PFN_MASK;
200 	p4d += __START_KERNEL_map - phys_base;
201 	return (p4d_t *)p4d + p4d_index(addr);
209 	p4d_t *p4d, p4d_entry;
218 	p4d = early_p4d_offset(pgd, addr);
222 		if (!p4d_none(*p4d))
227 		set_p4d(p4d, p4d_entry);
228 	} while (p4d++, addr = next, addr != end && p4d_none(*p4d));
249 	p4d_t *p4d;
253 	p4d = p4d_offset(pgd, addr);
257 		if (p4d_none(*p4d)) {
259 			p4d_populate(&init_mm, p4d, p);
261 	} while (p4d++, addr = next, addr != end);