Re: Feedback on preemptible kernel patch

Robert Love (
09 Sep 2001 00:40:02 -0400

On Sat, 2001-09-08 at 13:33, Arjan Filius wrote:
> I tried 2.4.10-pre4 with patch-rml-2.4.10-pre4-preempt-kernel-1.
> But it seems to hit highmem (see below) (i do have 1.5GB ram)
> 2.4.10-pre4 plain runs just fine.

going through this thread and now looking at the highmem code, it is
clear highmem is not going to be preempt safe.

until Nigel or I (or someone?) can go through it all and add appropriate
locks, its a bomb waiting to blow.

thank you for the feedback...stay tuned.

Robert M. Love
rml at
rml at

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