linux-kernel - Re: [PATCH 00/10] Containers(V10): Generic Process Containers

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Message-ID: <6599ad830706041356r5a031dd5w2eeb3ff4c7c64b72@mail.gmail.com>
Date:	Mon, 4 Jun 2007 13:56:12 -0700
From:	"Paul Menage" <menage@...gle.com>
To:	"Serge E. Hallyn" <serue@...ibm.com>
Cc:	akpm@...ux-foundation.org, dev@...ru, xemul@...ru,
	vatsa@...ibm.com, ebiederm@...ssion.com, haveblue@...ibm.com,
	svaidy@...ux.vnet.ibm.com, balbir@...ibm.com, pj@....com,
	cpw@....com, ckrm-tech@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org, containers@...ts.osdl.org,
	mbligh@...gle.com, rohitseth@...gle.com, devel@...nvz.org
Subject: Re: [PATCH 00/10] Containers(V10): Generic Process Containers

On 6/4/07, Serge E. Hallyn <serue@...ibm.com> wrote:
> root@...uz11 root]# rm -rf /containers/1

Just use "rmdir /containers/1" here.

>
> Ah, I see the second time I typed 'ls /containers/1/tasks' instead of
> cat.  When I then used cat, the file was empty, and I got an oops just
> like Pavel reported.  I bet if I solve the problem he reported, then I
> solve my problem  :)
>

As far as I could see, Pavel's problem wasn't actually an Oops, it was
a WARN_ON() when allocating a zero length chunk of memory. There's
ongoing discussion as to whether this counts as a problem with the
allocators or the kmalloc() code, since it used to be OK to allocate a
zero-length chunk.

Paul
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