tree e2a0316e2f2d22c266e7cae3015ddc0f2f77f64f
parent bdef40a6af64a0140a65df49bf504124d57094a9
author Jeremy Fitzhardinge <jeremy@xensource.com> 1184722624 -0700
committer Jeremy Fitzhardinge <jeremy@goop.org> 1184773661 -0700

Allocate and free vmalloc areas

Allocate/release a chunk of vmalloc address space:
 alloc_vm_area reserves a chunk of address space, and makes sure all
 the pagetables are constructed for that address range - but no pages.

 free_vm_area releases the address space range.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Ian Pratt <ian.pratt@xensource.com>
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Cc: "Jan Beulich" <JBeulich@novell.com>
Cc: "Andi Kleen" <ak@muc.de>