Re: 3.2.8/amd64 full interrupt hangs and deadlocks under big network copies (page allocation failure)

David Miller
2012-04-09T18:12:56Z

From: Marc MERLIN <marc@merlins.org>
Date: Mon, 9 Apr 2012 10:20:51 -0700

> Any idea what's going on, what bucket of RAM is an issue for the driver
> (total RAM is more than plenty), and where I should go from there?

The wireless layer is allocating high-order pages, so it's
not the amount of ram, it's the fragmentation of it leading
to a lack of those high-order pages.