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

From: Andi Kleen
Date: Thu Jun 16 2011 - 18:47:35 EST

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.


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