On Wed, Jan 25, 2017 at 02:38:49PM +0900, Sergey Senozhatsky wrote: > On (01/25/17 13:51), Minchan Kim wrote: > [..] > > > Minchan, zhouxianrong, I was completely wrong. we can't > > > do memset(). d'oh, I did not know it truncates 4 bytes to > > > one byte only (doesn't make too much sense to me). > > > > Now, I read Matthew's comment and understood. Thanks. > > It means zhouxianrong's patch I sent recently is okay? > > this one looks OK to me > https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1316290.html > > > I'd agree with Joonsoo that doing forward prefetching is _probably_ better > than backwards prefetching. not that it necessarily should confuse the CPU > (need to google if ARM handles it normally), but still.
Okay, let's settle down. zhouxianrong, please resend one Sergey pointed out with changing to forward loop. though, sorry for a lot confusion! > > -ss > > -- > To unsubscribe, send a message with 'unsubscribe linux-mm' in > the body to majord...@kvack.org. For more info on Linux MM, > see: http://www.linux-mm.org/ . > Don't email: <a href=mailto:"d...@kvack.org";> em...@kvack.org </a>
