MAP_ANON          122 Zend/zend_alloc.c # ifndef MAP_ANON
MAP_ANON          176 Zend/zend_alloc.c 	zend_mm_segment *ret = (zend_mm_segment*)mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);