svn commit: r238536 - head/sys/vm

Peter Jeremy peter at rulingia.com
Thu Aug 9 10:45:50 UTC 2012


On 2012-Jul-16 18:13:43 +0000, Alan Cox <alc at freebsd.org> wrote:
>  Various improvements to vm_contig_grow_cache().  Most notably, even when
>  it can't sleep, it can still move clean pages from the inactive queue to
>  the cache.  Also, when a page is cached, there is no need to restart the
>  scan.  The "next" page pointer held by vm_contig_launder() is still
>  valid.  Finally, add a comment summarizing what vm_contig_grow_cache()
>  does based upon the value of "tries".
>  
>  MFC after:	3 weeks

I realise 3 weeks is only just up but I'm wondering if you intend to
MFC this (and hopefully r238456) soon.  I've had a quick try at
merging this back to 8.x but it relies on vm_pageout_page_lock()
and vm_page_unlock() which were added in r207694 and I'm not sure
about the impact of merging that.

-- 
Peter Jeremy
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