kasan_pgd_populate
kasan_pgd_populate(KASAN_SHADOW_START, KASAN_SHADOW_END, true);
kasan_pgd_populate((unsigned long)shadow_start & PAGE_MASK,
kasan_pgd_populate(KASAN_SHADOW_START, KASAN_SHADOW_END, NUMA_NO_NODE,
kasan_pgd_populate(start & PAGE_MASK, PAGE_ALIGN(end), node, false);
kasan_pgd_populate(start & PAGE_MASK, PAGE_ALIGN(end), node, false);
kasan_pgd_populate(KASAN_SHADOW_START, KASAN_SHADOW_END, NUMA_NO_NODE, true);