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From: Christoph Lameter <cl@linux-foundation.org>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Matt Mackall <mpm@selenic.com>, linux-mm <linux-mm@kvack.org>,
	Nick Piggin <nickpiggin@yahoo.com.au>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Ingo Molnar <mingo@elte.hu>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [BUG] SLOB's krealloc() seems bust
Date: Tue, 07 Oct 2008 09:26:26 -0500	[thread overview]
Message-ID: <48EB7192.6090307@linux-foundation.org> (raw)
In-Reply-To: <1223388788.26330.38.camel@lappy.programming.kicks-ass.net>

Peter Zijlstra wrote:

> kernel/module.c: perpcu_modinit() reads:
> 
> 	pcpu_size = kmalloc(sizeof(pcpu_size[0]) * pcpu_num_allocated,
> 			    GFP_KERNEL);
> 
> kernel/module.c: split_block() reads:
> 
> 		new = krealloc(pcpu_size, sizeof(new[0])*pcpu_num_allocated*2,
> 			       GFP_KERNEL);
> 

That code is on the way out btw. cpu_alloc support removes this code.

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  reply	other threads:[~2008-10-07 14:26 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-07 13:57 Peter Zijlstra
2008-10-07 14:07 ` Christoph Lameter
2008-10-07 14:13   ` Peter Zijlstra
2008-10-07 14:26     ` Christoph Lameter [this message]
2008-10-07 15:00   ` Matt Mackall
2008-10-07 15:20     ` Christoph Lameter
2008-10-07 15:58       ` Matt Mackall
2008-10-07 16:10     ` Peter Zijlstra
2008-10-07 16:37       ` Linus Torvalds
2008-10-07 16:37       ` Matt Mackall
2008-10-07 16:57         ` Pekka Enberg
2008-10-07 17:13           ` Matt Mackall
2008-10-07 17:31             ` Pekka Enberg
2008-10-07 23:08               ` Matt Mackall
2008-10-08  4:22                 ` Nick Piggin
2008-10-08  4:46                   ` Matt Mackall
2008-10-08  4:54                     ` Nick Piggin
2008-10-08  5:11                       ` Nick Piggin
2008-10-08  5:15                         ` Matt Mackall
2008-10-08  6:43                           ` Peter Zijlstra
2008-10-08  7:25                             ` Pekka Enberg
2008-10-08  7:37                               ` Peter Zijlstra
2008-10-08  7:39                                 ` Pekka Enberg
2008-10-07 17:57         ` Linus Torvalds
2008-10-07 18:11           ` Peter Zijlstra
2008-10-07 18:18             ` Linus Torvalds
2008-10-08 19:51               ` Matt Mackall

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