Re: [patch][rfc][rft] vm throughput 2.4.2-ac4

Alan Cox (alan@lxorguk.ukuu.org.uk)
Thu, 1 Mar 2001 22:28:03 +0000 (GMT)

> There is no mechanysm in place that ensures that dirty pages can't
> get out of control, and they do in fact get out of control, and it
> is exaserbated (mho) by attempting to define 'too much I/O' without
> any information to base this definition upon.

I think this is a good point. If you do 'too much I/O' then the I/O gets
throttled by submit_bh(). The block I/O layer knows about 'too much I/O'.

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