Re: FW: 2.4.9/2.4.18 max kernel allocation size

[Arjan van de Ven <arjanv@redhat.com>]

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