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xen/arm: implement alloc/free_xenballooned_pages with alloc_pages/kfree 

Only until we get the balloon driver to work.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Stefano Stabellini 2012-08-08 17:20:58 +00:00
parent 0ec53ecf38
commit ea54209b16
1 changed files with 18 additions and 0 deletions
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18
arch/arm/xen/enlighten.c
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@ -148,3 +148,21 @@ static int __init xen_init_events(void)
return 0;
}
postcore_initcall(xen_init_events);
/* 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_GPL(alloc_xenballooned_pages);
void free_xenballooned_pages(int nr_pages, struct page **pages)
{
kfree(*pages);
*pages = NULL;
}
EXPORT_SYMBOL_GPL(free_xenballooned_pages);