On Sun, 31 Mar 2019 at 10:47, Chris Wilson wrote:
>
> When we return pages to the system, we release control over them and
> should defensively return them to the CPU write domain so that we catch
> any external writes on reacquiring them (e.g. to transparently
> swapout/swapin). While we did this
When we return pages to the system, we release control over them and
should defensively return them to the CPU write domain so that we catch
any external writes on reacquiring them (e.g. to transparently
swapout/swapin). While we did this defensive clflushing for ordinary
shmem pages, it was forgot