On 09/11/2014 01:46 AM, Qiaowei Ren wrote: > + > + return (void __user *)(unsigned long)(xsave_buf->bndcsr.cfg_reg_u & > + MPX_BNDCFG_ADDR_MASK); > +} I don't think casting a u64 to a ulong, then to a pointer is useful. Just take the '(unsigned long)' out. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>