Re: Batch locking for rmap fork/exit processing

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On Fri, May 06, 2011 at 09:44:40AM -0700, Linus Torvalds wrote:
> Hmm. Andrew wasn't cc'd on this series, and usually things like this
> go through the -mm tree
> 
> Maybe Andrew saw it by virtue of the linux-mm list, but maybe he
> didn't. So here he is cc'd directly.
> 
> The series looks reasonable to me,

Thanks.

To be honest I'm not really happy about it, it's more a short term
bandaid.  anon_vma lock and file mapping i_mmap_lock lock are still very hot
in the test, compared to .35. And I didn't find any way to improve
i_mmap_lock.

If someone has better ideas to fix this I would be interested.

Still it's probably a useful short term bandaid.

-Andi

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