Re: patch cow-swapin [was Re: Very bad swap bug -- 2.0, 2.1 at least]

Andrea Arcangeli (andrea@e-mind.com)
Sun, 27 Sep 1998 15:38:44 +0200 (CEST)


On Sun, 27 Sep 1998, Ion Badulescu wrote:

>Here is a small program which will demonstrate the bug. Change the FILESIZE
>value so it won't kill your machine, make sure you have enough disk space
>(and no file called "foo"), then start it and watch the "bo" column of a
>"vmstat 1".

We are working on the "si" column. I' ve checked that the "si" column
is always 0 with the new experimental smart swap cache code (2.1 only).

>No, I've no clue (yet) how to fix it, but ideas are always welcome. I don't
>know if 2.1 has the same behavior -- no box is running 2.1 right now.

Yes bo is full with 2.1 too, but I have not read your source and so I don'
t know if this is the right behavior.

Andrea[s] Arcangeli

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