Re: MM deadlock [was: Re: arca-vm-8...]

Stephen C. Tweedie
1999-01-22T13:55:41Z

Hi,

On Thu, 21 Jan 1999 20:53:28 +0100 (CET), Andrea Arcangeli
<andrea@e-mind.com> said:

> Yes we do I/O async so while the I/O is in action we could be just back in
> userspace, but both shrink_mmap() and swap_out() are not something of
> really so light (at least with >128Mbyte of ram). When we are running in
> shrink_mmap() the current->counter is decreased as usual.

If shrink_mmap() can exhaust the timeslice while we are swapping (ie. we
are IO-bound), then something is *SERIOUSLY* wrong!

--Stephen