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DateFri, 30 Nov 2001 22:16:58 -0800
FromAndrew Morton <>
SubjectRe: Is it normal for freezing while...
war wrote:
> > Wow, responsiveness is wonderful with these patches.

yup.  Thanks for testing...

> Will they make it into 2.4.17, (ie: I've seen the -pre2 changelog, did
> you incorporate them into -pre2)?> Even throughout the entire dd, it remained responsive
> (mouse/cursor/network/etc).

Well, this is a stable kernel, and the patch does adversely
affect overall throughput.

There are two changes to the elevator in that patch.  One
is a modest speedup for all workloads which, frankly, I'm
inclined to drop.   The other is the part which gives the
improved responsiveness.

Being a cautious chap, I think I'll submit that patch, with
the default setting to "off", so there is no change to default
kernel behaviour.   Then people can run `elvtune -b' to enable it.

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