linux-kernel - Re: [PATCH] coredump: binfmt_elf{,_fdpic}.c: don't abuse GFP

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Message-ID: <20080601200829.GA154@tv-sign.ru>
Date:	Mon, 2 Jun 2008 00:08:29 +0400
From:	Oleg Nesterov <oleg@...sign.ru>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	David Howells <dhowells@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] coredump: binfmt_elf{,_fdpic}.c: don't abuse GFP_ATOMIC

On 06/01, Peter Zijlstra wrote:
>
> On Sun, 2008-06-01 at 20:55 +0400, Oleg Nesterov wrote:
> > kmalloc(GFP_ATOMIC) was needed because it was called under tasklist_lock.
> > The code was changed to use rcu_read_lock(), we can use GFP_KERNEL.
> 
> Classic RCU - still frequently used - disables preemption and thus does
> not allow us to use __GFP_WAIT.

Ah, I'm stupid, thanks!

please ignore this patch.

Oleg.

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