MAX_PTRS_PER_P4D
p4d[MAX_PTRS_PER_P4D - 1] += load_delta;
static p4d_t tmp_p4d_table[MAX_PTRS_PER_P4D] __initdata __aligned(PAGE_SIZE);
extern p4d_t kasan_early_shadow_p4d[MAX_PTRS_PER_P4D];
#ifndef MAX_PTRS_PER_P4D
p4d_t kasan_early_shadow_p4d[MAX_PTRS_PER_P4D] __page_aligned_bss;