Re: [patch 10/10] mm: workingset: keep shadow entries in check

[Peter Zijlstra]

On Thu, May 30, 2013 at 02:04:06PM -0400, Johannes Weiner wrote:
> 2. a list of files that contain shadow entries is maintained.  If the
>    global number of shadows exceeds a certain threshold, a shrinker is
>    activated that reclaims old entries from the mappings.  This is
>    heavy-handed but it should not be a common case and is only there
>    to protect from accidentally/maliciously induced OOM kills.

Grrr.. another global files list. We've been trying rather hard to get
rid of the first one :/

I see why you want it but ugh.

I have similar worries for your global time counter, large machines
might thrash on that one cacheline.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/