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authorLinus Torvalds <torvalds@linux-foundation.org>2011-11-06 18:31:36 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-06 18:31:36 -0800
commit06d381484fe8fb1ba2996c22e89595a273e3634c (patch)
tree0d39c57cb8c501341ab8ed1d740f076b0b8c0bd0 /arch/ia64/xen
parent5d5a8d2d9d6cca979efe4fe1552d787fdc542603 (diff)
parentc9d6369978411f690513994e6e53e2e6410874a4 (diff)
downloadop-kernel-dev-06d381484fe8fb1ba2996c22e89595a273e3634c.zip
op-kernel-dev-06d381484fe8fb1ba2996c22e89595a273e3634c.tar.gz
Merge branch 'stable/vmalloc-3.2' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
* 'stable/vmalloc-3.2' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: net: xen-netback: use API provided by xenbus module to map rings block: xen-blkback: use API provided by xenbus module to map rings xen: use generic functions instead of xen_{alloc, free}_vm_area()
Diffstat (limited to 'arch/ia64/xen')
-rw-r--r--arch/ia64/xen/grant-table.c62
1 files changed, 0 insertions, 62 deletions
diff --git a/arch/ia64/xen/grant-table.c b/arch/ia64/xen/grant-table.c
index 48cca37..c182813 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
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