xen: use generic functions instead of xen_{alloc, free}_vm_area()

Replace calls to the Xen-specific xen_alloc_vm_area() and
xen_free_vm_area() functions with the generic equivalent
(alloc_vm_area() and free_vm_area()).

On x86, these were identical already.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

1 files changed, 0 insertions, 62 deletions

diff --git a/arch/ia64/xen/grant-table.c b/arch/ia64/xen/grant-table.c
index 48cca37625e..c18281332f8 100644
--- a/arch/ia64/xen/grant-table.c
+++ b/arch/ia64/xen/grant-table.c
@@ -31,68 +31,6 @@
 
 #include <asm/xen/hypervisor.h>
 
-struct vm_struct *xen_alloc_vm_area(unsigned long size)
-{
-        int order;
-        unsigned long virt;
-        unsigned long nr_pages;
-        struct vm_struct *area;
-
-        order = get_order(size);
-        virt = __get_free_pages(GFP_KERNEL, order);
-        if (virt == 0)
-                goto err0;
-        nr_pages = 1 << order;
-        scrub_pages(virt, nr_pages);
-
-        area = kmalloc(sizeof(*area), GFP_KERNEL);
-        if (area == NULL)
-                goto err1;
-
-        area->flags = VM_IOREMAP;
-        area->addr = (void *)virt;
-        area->size = size;
-        area->pages = NULL;
-        area->nr_pages = nr_pages;
-        area->phys_addr = 0;    /* xenbus_map_ring_valloc uses this field!  */
-
-        return area;
-
-err1:
-        free_pages(virt, order);
-err0:
-        return NULL;
-}
-EXPORT_SYMBOL_GPL(xen_alloc_vm_area);
-
-void xen_free_vm_area(struct vm_struct *area)
-{
-        unsigned int order = get_order(area->size);
-        unsigned long i;
-        unsigned long phys_addr = __pa(area->addr);
-
-        /* This area is used for foreign page mappping.
-         * So underlying machine page may not be assigned. */
-        for (i = 0; i < (1 << order); i++) {
-                unsigned long ret;
-                unsigned long gpfn = (phys_addr >> PAGE_SHIFT) + i;
-                struct xen_memory_reservation reservation = {
-                        .nr_extents   = 1,
-                        .address_bits = 0,
-                        .extent_order = 0,
-                        .domid        = DOMID_SELF
-                };
-                set_xen_guest_handle(reservation.extent_start, &gpfn);
-                ret = HYPERVISOR_memory_op(XENMEM_populate_physmap,
-                                           &reservation);
-                BUG_ON(ret != 1);
-        }
-        free_pages((unsigned long)area->addr, order);
-        kfree(area);
-}
-EXPORT_SYMBOL_GPL(xen_free_vm_area);
-
-
 /****************************************************************************
  * grant table hack
  * cmd: GNTTABOP_xxx