Re: [PATCH v2 06/11] don't put symlink bodies in pagecache into highmem

From: Linus Torvalds
Date: Thu Jan 14 2016 - 18:58:28 EST


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