Re: [PATCH RFC v2 4/4] mm/mempolicy: add nodes_empty check in SYSC_migrate_pages

[Christopher Lameter]

On Thu, 9 Nov 2017, Yisheng Xie wrote:

> > The caller of migrate_pages should be able to migrate the target process
> > pages anywhere the caller can allocate memory. If that is outside the
> > target processes cpuset then that is fine. Pagecache pages that are not
> > allocated by the target process already are not subject to the target
> > processes restriction. So this is not that unusual.
>
> So there is no need to check the restriction of target process cpuset, right?
> I hope that I do not miss anything :)

Exactly.