256 	unsigned long memsize;  in kasan_early_init()  local
268 	memsize = get_mem_detect_end();  in kasan_early_init()
269 	if (!memsize)  in kasan_early_init()
283 	memsize = min(memsize, ident_map_size);  in kasan_early_init()
298 	shadow_alloc_size = memsize >> KASAN_SHADOW_SCALE_SHIFT;  in kasan_early_init()
306 	if (pgalloc_low + shadow_alloc_size > memsize)  in kasan_early_init()
310 		segment_pos = round_down(memsize, _SEGMENT_SIZE);  in kasan_early_init()
314 		pgalloc_pos = memsize;  in kasan_early_init()
353 	kasan_early_pgtable_populate(__sha(0), __sha(memsize), POPULATE_MAP);  in kasan_early_init()
370 	kasan_early_pgtable_populate(0, memsize, POPULATE_ONE2ONE);  in kasan_early_init()
375 	memblock_reserve(pgalloc_pos, memsize - pgalloc_pos);  in kasan_early_init()