Re: [RFC][PATCH 2/9] deadlock prevention core

From: Andrew Morton
Date: Mon Aug 14 2006 - 01:03:13 EST

On Mon, 14 Aug 2006 06:40:53 +0200
Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> wrote:

> Testcase:
> Mount an NBD device as sole swap device and mmap > physical RAM, then
> loop through touching pages only once.

Fix: don't try to swap over the network. Yes, there may be some scenarios
where people have no local storage, but it's reasonable to expect anyone
who is using Linux as an "enterprise storage platform" to stick a local
disk on the thing for swap.

That leaves MAP_SHARED, but mm-tracking-shared-dirty-pages.patch will fix
that, will it not?
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