On Thu, Jan 14, 2016 at 2:25 PM, Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
>
> For one thing, we'll lose RCU ->get_link() for those.
Why couldn't we just do that in the RCU walker? kmap should be fine..
That said, as long as you think it's ok now, I guess I don't care.
Having some sanity testing in __add_to_page_cache_locked might be a
good safety net.
Linus
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