Re: Running out of vmalloc space

Christoph Hellwig
2001-05-17T19:23:10Z

On Thu, May 17, 2001 at 10:16:10PM +0300, Matti Aarnio wrote:
> On Thu, May 17, 2001 at 11:13:00AM -0600, David Pinedo wrote:
> [ Why vmalloc() space is so small ? ]
>
> Hua Ji summarized quite well what the kernel does, and where.
>
> There are 32bit machines which *can* access whole 4G kernel space
> separate from simultaneous 4G user space, however i386 is not one
> of those.

Kanoj Sarcar has written a patch for Linux 2.2 to allow exactly this.
Take a look at http://oss.sgi.com/projects/bigmem/, the page also
contains a nice explanation of what the changes actually do.

Christoph

--
Whip me. Beat me. Make me maintain AIX.