GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-28 01:21:58 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Allocate and free vmalloc areas

Browse source 
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>
This commit is contained in:
Jeremy Fitzhardinge 2007-07-17 18:37:04 -07:00 • committed by Jeremy Fitzhardinge
parent bdef40a6af
commit 5f4352fbff
2 changed files with 57 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

4
include/linux/vmalloc.h
View file

@ -70,6 +70,10 @@ extern int map_vm_area(struct vm_struct *area, pgprot_t prot,
struct page ***pages);
extern void unmap_kernel_range(unsigned long addr, unsigned long size);
/* Allocate/destroy a 'vmalloc' VM area. */
extern struct vm_struct *alloc_vm_area(size_t size);
extern void free_vm_area(struct vm_struct *area);
/*
* Internals. Dont't use..
*/