Re: [GIT PULL] Re: REGRESSION: Performance regressions from switching anon_vma->lock to mutex

Andi Kleen
2011-06-16T22:47:32Z

> There's a crazy solution for that: the idle thread could process RCU
> callbacks carefully, as if it was running user-space code.

In Ben's kernel NFS server case the system may not be idle.

-Andi