[PATCH v6 4/4] Add system-wide tunables: Filters

[DJ Delorie]

Yury Khrustalev <yury.khrustalev@arm.com> writes:
> We should not take into account values of tunables. This would be a
> mistake: like I said, some tunables don't have any monotonicity of
> their values.

True, but some tunables *do* and why not let the admin have the option?

Consider:

* Admin limits the number of malloc heaps to 16 because glibc
  autodetects the number of CPUs wrong.

* User further limits it to 1 to avoid heap-related fragmentation.