Re: [RFC] reduce latency in __purge_vmap_area_lazy

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On Tue, 18 Oct 2016 08:56:05 +0200
Christoph Hellwig <hch@xxxxxx> wrote:

> Hi all,
> 
> this is my spin at sorting out the long lock hold times in
> __purge_vmap_area_lazy.  It is based on the patch from Joel sent this
> week.  I don't have any good numbers for it, but it survived an
> xfstests run on XFS which is a significant vmalloc user.  The
> changelogs could still be improved as well, but I'd rather get it
> out quickly for feedback and testing.

All seems pretty good to me.

Thanks,
Nick

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