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From: ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org (Eric W. Biederman)
To: Gao feng <gaofeng-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
Cc: containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
Subject: Re: [PATCH] userns: enable tmpfs support for user namespace.
Date: Wed, 19 Sep 2012 17:59:28 -0700	[thread overview]
Message-ID: <874nmt5x1r.fsf@xmission.com> (raw)
In-Reply-To: <505A65AB.4000703-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org> (Gao feng's message of "Thu, 20 Sep 2012 08:39:07 +0800")

Gao feng <gaofeng@cn.fujitsu.com> writes:

> 于 2012年09月19日 18:40, Eric W. Biederman 写道:
>> Gao feng <gaofeng@cn.fujitsu.com> writes:
>> 
>>> mounting tmpfs in user namespace does no harm to the host.
>>> so enable tmpfs support for the user namespace.
>> 
>> I think this allows escaping from memory resource limits.
>> 
>
> Got it,it makes sense,sorry for the noise.

No noise problem.

This is a problem that ultimately needs solving.

I putter at that end of my tree from time to time, because those are the
more interesting problems.

Eric
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  parent reply	other threads:[~2012-09-20  0:59 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-19  8:16 [PATCH] userns: enable tmpfs support for user namespace Gao feng
     [not found] ` <1348042588-9031-1-git-send-email-gaofeng-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2012-09-19 10:40   ` Eric W. Biederman
     [not found]     ` <87wqzq8fe3.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2012-09-20  0:39       ` Gao feng
     [not found]         ` <505A65AB.4000703-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2012-09-20  0:59           ` Eric W. Biederman [this message]
     [not found]             ` <874nmt5x1r.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2012-10-24  7:49               ` Gao feng

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