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Commit ea54209b authored by Stefano Stabellini's avatar Stefano Stabellini
Browse files

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



Only until we get the balloon driver to work.

Signed-off-by: default avatarStefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
parent 0ec53ecf

arch/arm/xen/enlighten.c

+18 −0
Original line number Diff line number Diff line
@@ -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);