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Re: kernel BUG at page_alloc.c:98 -- compiling with distcc

To: Andrew Morton <akpm@xxxxxxxx>
Subject: Re: kernel BUG at page_alloc.c:98 -- compiling with distcc
From: Andrea Arcangeli <andrea@xxxxxxx>
Date: Fri, 30 Apr 2004 02:15:21 +0200
Cc: marcelo.tosatti@xxxxxxxxxxxx, jmoyer@xxxxxxxxxx, carson@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxx, davem@xxxxxxxxxx
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On Thu, Apr 29, 2004 at 04:26:32PM -0700, Andrew Morton wrote:
> The only application which we know will exercise that code is the distcc
> server.  Making that little change while testing the patch will increase
> the chance of shaking out any problems.

if you're scared it has bugs I think it'd be more useful to change it to
"|| 1" and run it under some stress test, and then remove the "|| 1".
the aio code in unmap_kvec is also a big user of that.  a schedule every
40M of ram freed isn't too nice to my eyes (but I doubt it can be
measured).

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