VZALLOC(9) Memory Management in Linux VZALLOC(9)NAMEvzalloc - allocate virtually contiguous memory with zero fillSYNOPSISvoid * vzalloc(unsigned long size);ARGUMENTSsize allocation size Allocate enough pages to cover size from the page level allocator and map them into contiguous kernel virtual space. The memory allocated is set to zero.DESCRIPTIONFor tight control over page level allocator and protection flags use __vmalloc instead.COPYRIGHTKernel Hackers Manual 3.10 June 2014 VZALLOC(9)