On 01/18/2017 08:22 AM, Hillf Danton wrote:
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.
I don't think the extra kswapd wakeups due to retry_cpuset would be noticeable.
Such frequent cpuset changes would likely have their own associated overhead
larger than the wakeups.
Hillf