Re: kmalloc() with size zero

From: Jan Engelhardt
Date: Thu Mar 22 2007 - 21:41:24 EST



On Mar 22 2007 16:18, Stephane Eranian wrote:
>
>Hello,
>
>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).


Jan
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