From: Ingo Molnar <mingo@kernel.org>
To: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Cc: Christoph Lameter <cl@linux.com>,
Peter Zijlstra <peterz@infradead.org>,
Al Viro <viro@zeniv.linux.org.uk>,
Vince Weaver <vincent.weaver@maine.edu>,
LKML <linux-kernel@vger.kernel.org>,
Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
trinity@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Roland Dreier <roland@kernel.org>,
infinipath@qlogic.com, "linux-mm@kvack.org" <linux-mm@kvack.org>,
linux-rdma@vger.kernel.org, Or Gerlitz <or.gerlitz@gmail.com>,
Hugh Dickins <hughd@google.com>
Subject: Re: [RFC][PATCH] mm: Fix RLIMIT_MEMLOCK
Date: Fri, 31 May 2013 11:27:04 +0200 [thread overview]
Message-ID: <20130531092704.GA30394@gmail.com> (raw)
In-Reply-To: <CAHGf_=qkJWEhwKRY4gu0wL4OLU1PhOW3=n6JNmAocSK-T0PhmA@mail.gmail.com>
* KOSAKI Motohiro <kosaki.motohiro@gmail.com> wrote:
> >> I'm unhappy you guys uses offensive word so much. Please cool down all
> >> you guys. :-/ In fact, _BOTH_ the behavior before and after Cristoph's
> >> patch doesn't have cleaner semantics.
> >
> > Erm, this feature _regressed_ after the patch. All other concerns are
> > secondary. What's so difficult to understand about that?
>
> Because it is not new commit at all. Christoph's patch was introduced
> 10 releases before.
That's indeed sad - resource limits are not typically tested by apps. The
lack of Cc:s to people affected also helped hide the effects of the
change.
> $ git describe bc3e53f682
> v3.1-7235-gbc3e53f
>
> If we just revert it, we may get another and opposite regression report.
> I'm worried about it. Moreover, I don't think discussion better fix is
> too difficult for us.
Sure, I agree that a fix is generally better.
Thanks,
Ingo
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next prev parent reply other threads:[~2013-05-31 9:27 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <alpine.DEB.2.10.1305221523420.9944@vincent-weaver-1.um.maine.edu>
[not found] ` <alpine.DEB.2.10.1305221953370.11450@vincent-weaver-1.um.maine.edu>
[not found] ` <alpine.DEB.2.10.1305222344060.12929@vincent-weaver-1.um.maine.edu>
[not found] ` <20130523044803.GA25399@ZenIV.linux.org.uk>
[not found] ` <20130523104154.GA23650@twins.programming.kicks-ass.net>
[not found] ` <0000013ed1b8d0cc-ad2bb878-51bd-430c-8159-629b23ed1b44-000000@email.amazonses.com>
[not found] ` <20130523152458.GD23650@twins.programming.kicks-ass.net>
[not found] ` <0000013ed2297ba8-467d474a-7068-45b3-9fa3-82641e6aa363-000000@email.amazonses.com>
[not found] ` <20130523163901.GG23650@twins.programming.kicks-ass.net>
[not found] ` <0000013ed28b638a-066d7dc7-b590-49f8-9423-badb9537b8b6-000000@email.amazonses.com>
2013-05-24 14:01 ` [RFC][PATCH] mm: Fix RLIMIT_MEMLOCK Peter Zijlstra
2013-05-24 15:40 ` Christoph Lameter
2013-05-26 1:11 ` KOSAKI Motohiro
2013-05-28 16:19 ` Christoph Lameter
2013-05-27 6:48 ` Peter Zijlstra
2013-05-28 16:37 ` Christoph Lameter
2013-05-29 7:58 ` [regression] " Ingo Molnar
2013-05-29 19:53 ` KOSAKI Motohiro
2013-05-30 6:32 ` Ingo Molnar
2013-05-30 20:42 ` KOSAKI Motohiro
2013-05-31 9:27 ` Ingo Molnar [this message]
2013-05-30 18:30 ` Peter Zijlstra
2013-05-30 19:59 ` Pekka Enberg
2013-05-30 21:00 ` KOSAKI Motohiro
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