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From: Andi Kleen <ak@linux.intel.com>
To: Michal Hocko <mhocko@suse.cz>
Cc: wzt <wzt.wzt@gmail.com>,
	mingo@redhat.com, linux-kernel@vger.kernel.org, x86@kernel.org,
	tglx@linutronix.de, hpa@zytor.com
Subject: Re: [PATCH] x86: Fix memory leak of init_vdso_vars()
Date: Thu, 07 Jul 2011 11:33:34 -0700	[thread overview]
Message-ID: <4E15FBFE.4090203@linux.intel.com> (raw)
In-Reply-To: <20110707131455.GB4078@tiehlicka.suse.cz>

On 7/7/2011 6:14 AM, Michal Hocko wrote:
> On Tue 05-07-11 14:21:48, wzt wrote:
>> Fix memory leak of init_vdso_vars().
>>
>> Signed-off-by: Zhitong Wang<zhitong.wangzt@alibaba-inc.com>
> The patch looks correct but it could be cleaned up a bit IMO.
> See bellow.

When you run out of memory at early system boot (this is early
system boot only) the system is toast anyways. There's no way
to recover.

I would just add a few GFP_PANICs and then drop the error paths.

-Andi


  reply	other threads:[~2011-07-07 18:33 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-05  6:21 [PATCH] x86: Fix memory leak of init_vdso_vars() wzt
2011-07-07 13:14 ` Michal Hocko
2011-07-07 18:33   ` Andi Kleen [this message]
2011-07-11  3:23     ` wzt wzt
2011-07-11 10:04       ` Ingo Molnar
2011-07-21 14:33 ` Andy Lutomirski
2011-07-21 17:08   ` Andi Kleen
2011-07-21 17:26     ` Andrew Lutomirski
2011-07-21 18:38       ` Ingo Molnar
2011-07-21 19:39         ` Andrew Lutomirski
2011-07-21 19:43           ` Ingo Molnar
2011-07-21 19:47           ` [PATCH] x86-64: Do not allocate memory for the vDSO Andy Lutomirski
2011-07-21 20:52             ` [tip:x86/vdso] x86-64, vdso: " tip-bot for Andy Lutomirski

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