Messages in this thread | | | Date | Wed, 25 Jan 2017 14:38:49 +0900 | From | Sergey Senozhatsky <> | Subject | Re: [PATCH] mm: extend zero pages to same element pages for zram |
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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.
-ss
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