Messages in this thread Patch in this message |  | | From | Stefano Stabellini <> | Subject | [PATCH WIP 3/5] xen/arm: implement alloc/free_xenballooned_pages with alloc_pages/kfree | Date | Wed, 4 Jul 2012 12:15:18 +0100 |
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Only until we get the balloon driver to work.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> --- arch/arm/xen/enlighten.c | 18 ++++++++++++++++++ 1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c index a6dc9eb..924c9aa 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c @@ -199,3 +199,21 @@ int __init xen_guest_init(void) return 0; } EXPORT_SYMBOL(xen_guest_init); + +/* XXX: only until balloon is properly working */ +int alloc_xenballooned_pages(int nr_pages, struct page **pages, bool highmem) +{ + *pages = alloc_pages(highmem ? GFP_HIGHUSER : GFP_KERNEL, + get_order(nr_pages)); + if (*pages == NULL) + return -ENOMEM; + return 0; +} +EXPORT_SYMBOL(alloc_xenballooned_pages); + +void free_xenballooned_pages(int nr_pages, struct page **pages) +{ + kfree(*pages); + *pages = NULL; +} +EXPORT_SYMBOL(free_xenballooned_pages); -- 1.7.2.5
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