在 2018/11/24 4:27, Jason Gunthorpe 写道: > On Fri, Nov 23, 2018 at 04:26:37PM +0800, Lijun Ou wrote: >> It will access the border when defines the pbl for int and. >> This patch fix it. > I have no idea what this menas. I think it is trying to say pbl_size > has to be a u64 to prevent multiply overflow? > > Jason Yes. When pbl size is large, the u32 will lead to overflow. >
