Symbol: __p4d_none
arch/loongarch/mm/kasan_init.c
148
if (__p4d_none(early, p4dp_get(p4dp))) {
arch/loongarch/mm/kasan_init.c
220
} while (p4dp++, addr = next, addr != end && __p4d_none(early, READ_ONCE(*p4dp)));