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From: Jan Engelhardt <>
To: Stephane Eranian <>
Subject: Re: kmalloc() with size zero
Date: Fri, 23 Mar 2007 02:38:25 +0100 (MET)	[thread overview]
Message-ID: <Pine.LNX.4.61.0703230237390.9555@yvahk01.tjqt.qr> (raw)
In-Reply-To: <>

On Mar 22 2007 16:18, Stephane Eranian wrote:
>I ran into an issue with perfmon where I ended up calling
>kmalloc() with a size of zero. To my surprise, this did
>not return NULL but a valid data address.
>I am wondering if this is a property of kmalloc() or simply
>a bug. It is the case that the __kmalloc() code does not
>check for zero size.

I'd say "feature", glibc's malloc also returns an address on malloc(0).


  reply	other threads:[~2007-03-23  1:41 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-23  0:18 Stephane Eranian
2007-03-23  1:38 ` Jan Engelhardt [this message]
2007-03-23  4:39   ` Vignesh Babu BM
2007-03-25 16:30     ` Folkert van Heusden
2007-03-26  8:09       ` Stephane Eranian
2007-03-29 14:39         ` Bill Davidsen
2007-03-23 15:12 ` Christoph Lameter

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