Re: [RFC 3/4] mm, page_alloc: move cpuset seqcount checking to slowpath

From: Hillf Danton
Date: Wed Jan 18 2017 - 02:31:11 EST


On Wednesday, January 18, 2017 6:16 AM Vlastimil Babka wrote:
>
> This is a preparation for the following patch to make review simpler. While
> the primary motivation is a bug fix, this could also save some cycles in the
> fast path.
>
This also gets kswapd involved.
Dunno how frequent cpuset is changed in real life.

Hillf