Re: [PATCH v6 0/6] Introduce multi-preference mempolicy

[Andrew Morton]

On Mon, 12 Jul 2021 16:09:28 +0800 Feng Tang <feng.tang@xxxxxxxxx> wrote:

> This patch series introduces the concept of the MPOL_PREFERRED_MANY mempolicy.
> This mempolicy mode can be used with either the set_mempolicy(2) or mbind(2)
> interfaces. Like the MPOL_PREFERRED interface, it allows an application to set a
> preference for nodes which will fulfil memory allocation requests. Unlike the
> MPOL_PREFERRED mode, it takes a set of nodes. Like the MPOL_BIND interface, it
> works over a set of nodes. Unlike MPOL_BIND, it will not cause a SIGSEGV or
> invoke the OOM killer if those preferred nodes are not available.

Do we have any real-world testing which demonstrates the benefits of
all of this?