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Date: Tue, 8 Oct 2002 12:18:54 -0400
From: Arjan van de Ven <arjanv@redhat.com>
To: Ofer Raz <oraz@checkpoint.com>
Cc: "'Arjan van de Ven'" <arjanv@redhat.com>, wagnerjd@prodigy.net,
       linux-kernel@vger.kernel.org
Subject: Re: FW: 2.4.9/2.4.18 max kernel allocation size
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In-Reply-To: <028101c26ee6$2c9ec010$8b705a3e@checkpoint.com>; from oraz@checkpoint.com on Tue, Oct 08, 2002 at 06:17:17PM +0200
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On Tue, Oct 08, 2002 at 06:17:17PM +0200, Ofer Raz wrote:
> The following code was used in kernel module & called from IOCTL context in
> order to test the max allocation size possible:

I think you misunderstood. I was asking for the source
of the PROBLEM you
were having, not the test. You are doing something wrong for needing
such a huge vmalloc area, but without the source (it
is gpl code, right?) nobody can do suggestions on how to improve your code.

> 
> #define BLOCK_SIZE xxx
> 
> for (size = BLOCK_SIZE; size; size--)
> {
>     tmp = vmalloc(size * 1024 * 1024);
> 
>     if (tmp)
>     {
>         printk("Allocation of %dMB bytes succeeded!\n", size);
>         vfree(tmp);
>         break;
>     }
> }
> 
y
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