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SubjectRe: [patch] mm, page_alloc: wakeup kcompactd even if kswapd cannot free more memory
On Tue, 20 Mar 2018, Vlastimil Babka wrote:

> > Kswapd will not wakeup if per-zone watermarks are not failing or if too
> > many previous attempts at background reclaim have failed.
> >
> > This can be true if there is a lot of free memory available. For high-
> > order allocations, kswapd is responsible for waking up kcompactd for
> > background compaction. If the zone is now below its watermarks or
> not ?

Good catch, Andrew please let me know if you would like a resend to
correct this.

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