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Tim,
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It was my understanding that the main reason from Linus for the change was overall performance and simplification. The change caused quite a few new problems before it fixed some of the older ones. (I saw quite a few file system related problems with 2.4.10 and .12. I stayed at .9 until .15 was released. Everything was great after that. Moved to .16 with new installations)
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In my readings of the Kernel traffic stuff, my (and it may be meager) understanding was:
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Linux tree
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2.4.10 - Linus rips out Rik's stable VM in favor of Andrea's because of performance, not stability, issues. File system problems all around. Recommendation to revert to 2.4.9.
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2.4.11 - The release that wasn't. (Even named "don't use")
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2.4.12-14 - VM Cleanups and changes to stabilize the VM
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2.4.15 - VM declared fixed and ready (integration of ext3 as well)
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2.5.0 - Launch of 2.5.0 tree
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2.4.15/2.5.0 - hand over of stable tree to Marcello
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2.4.16 - Small changes
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2.5.0-pre something - small changes
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Alan Tree
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2.4.10-ac - 2.4.14ac - Alan's changes as well as removal of the Andrea VM and replacement with the Rik VM until Andrea's was considered stable around 2.4.15
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So, to answer your question, the new VM was to fix problems, but they weren't "fixed" until around .15. I think.
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On Thu, 2001-12-06 at 12:04, Timothy C. Klein wrote:
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<PRE><FONT COLOR="#737373"><FONT SIZE="3"><I>Dave,</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I></FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>Is that really how it was? I was under the impression that the new VM</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>fomr Andrea was there to *solve* the swapping problem of the earlir VM.</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>There was then controversy about this move by Linus -- some (Alan Cox</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>among them), didn't think it was right to rip out the VM</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>in the stable kernel branch. I'm sure there have been bugs in the new</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>VM, but *it* was the solution the problem, not cause.</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I></FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>Or am I totally confused?</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I></FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>Tim</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I></FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>* Dave Hahn (dhahn@techangle.com) wrote:</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>> In 2.4.10 the Andrea's new VM system was integrated and Rik's was</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>> removed. This caused quite a few problems, similar to those listed, and</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>> wasn't taken care of until about 2.4.15 or so.</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I> </FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>--</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>==============================================</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>== Timothy Klein || teece@silverklein.net ==</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>== ---------------------------------------- ==</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>== "Hello, World" 17 Errors, 31 Warnings... ==</FONT></FONT></I>
<FONT COLOR="#737373"><FONT SIZE="3"><I>==============================================</FONT></FONT></I>
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