kzalloc()

• static  inline  void  *kzalloc(size_t size, gfp_t flags): allocate memory. The memory is set to zero.
• Flag: 

           size: 欲申請大小
           flags: same as kmalloc, see kmalloc



static inline void *kzalloc(size_t size, gfp_t flags)
{
return kmalloc(size, flags | __GFP_ZERO);
}

Reference:

include/linux/slab.h