Re: 2.6.19-rc5-mm1 progression

[Larry Finger]

Andrew Morton wrote:
> On Fri, 24 Nov 2006 17:36:27 +0100
> "Benoit Boissinot" <bboissin@xxxxxxxxx> wrote:
>
> > On 11/24/06, Larry Finger <Larry.Finger@xxxxxxxxxxxx> wrote:
> > > Is there the equivalent of 'git bisect' for the -mmX kernels?
> > http://www.zip.com.au/~akpm/linux/patches/stuff/bisecting-mm-trees.txt
>
> Please take the time to do that.  Yours is an interesting report - I'm not
> aware of anything in there which was expected to cause a change of this
> mature.

There are at least two patches in 2.6.19-rc5-mm2 that make my system much more responsive for 
interactive jobs. The one that has the majority of the effect is:

radix-tree-rcu-lockless-readside.patch

I have not been able to isolate the second patch, which has the lesser effect. All I can say is that 
it occurred before the above patch in patches/series. This patch was tested against 2.6.19 and fixed 
most of the problem on that version.

Larry Finger


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