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| author | Keir Fraser <keir.fraser@citrix.com> | 2009-03-13 07:37:24 +0000 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2009-03-13 07:37:24 +0000 |
| commit | b8fb8d5f775d5409f6683ed8c1956cf80004e26e (patch) | |
| tree | 803d56735dbe467563030ffc65ab496568553041 /extras/mini-os/include/mm.h | |
| parent | cde518aa7137afa61849403736f3e4b62e00fe1f (diff) | |
| download | xen-b8fb8d5f775d5409f6683ed8c1956cf80004e26e.tar.gz xen-b8fb8d5f775d5409f6683ed8c1956cf80004e26e.tar.bz2 xen-b8fb8d5f775d5409f6683ed8c1956cf80004e26e.zip | |
minios: allow to allocate machine contiguous pages
This is a port of XenLinux xen_alloc_contig_memory() to mini-os. A
sufficiently privileged mini-os guest can exchange a small number of
its pages with machine contiguous pages.
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@netronome.com>
Diffstat (limited to 'extras/mini-os/include/mm.h')
| -rw-r--r-- | extras/mini-os/include/mm.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/extras/mini-os/include/mm.h b/extras/mini-os/include/mm.h index c9636926ae..18622d8542 100644 --- a/extras/mini-os/include/mm.h +++ b/extras/mini-os/include/mm.h @@ -72,6 +72,7 @@ void do_map_frames(unsigned long addr, unsigned long *f, unsigned long n, unsigned long stride, unsigned long increment, domid_t id, int may_fail, unsigned long prot); int unmap_frames(unsigned long va, unsigned long num_frames); +unsigned long alloc_contig_pages(int order, unsigned int addr_bits); #ifdef HAVE_LIBC extern unsigned long heap, brk, heap_mapped, heap_end; #endif |