read_cr3_pa
top_level_pgt = read_cr3_pa();
pgd = __va(read_cr3_pa());
if (physaddr >= MAXMEM || read_cr3_pa() != __pa_nodebug(early_top_pgt))
pgd_paddr = read_cr3_pa();
pgd_t *base = __va(read_cr3_pa());
pgd_t *base = __va(read_cr3_pa());
pgd = __va(read_cr3_pa());
pgd_t *base = __va(read_cr3_pa());
VM_WARN_ON_ONCE(__pa(current_mm->pgd) != read_cr3_pa());
void *pgd_addr = __va(read_cr3_pa());
pgd = (pgd_t *)__va(read_cr3_pa()) +
pgd = __va(read_cr3_pa());
pa = read_cr3_pa();
pgd = __va(read_cr3_pa());