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SubjectRe: [patch] voluntary-preempt-
K. R. Foley <> wrote:

> Ingo Molnar wrote:
>> i've uploaded the -P5 patch:
> Here is a latency trace generated by the NFS compile in the
> stress-kernel. It is ~1.7 ms which doesn't really surprise me for
> the NFS compile. I am going to take the NFS compile out of the test
> now and see what else falls out.
> If it would be useful for me to provide additional information with
> this, please let me know.

You don't need to do a NFS compilation to trigger it. just to a "find"
on a huge NFS-mounted tree and you will see it.

Another candidate for cond_resched() is the loop in nfs_readdir(). It
seems safe to do so be cause it calls readdir_search_pagecache() which
would call schedule().

Linh Dang
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