arm: define max_page

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>
Acked-by: Tim Deegan <tim@xen.org>
Committed-by: Ian Campbell <Ian.Campbell@citrix.com>

diff --git a/xen/arch/arm/dummy.S b/xen/arch/arm/dummy.S
index 67edb353ac42b04c12235a406125b9732feaca50..295938e7e0c06e9749bcf8bf59bd7ce8e5fad598 100644 (file)
--- a/xen/arch/arm/dummy.S
+++ b/xen/arch/arm/dummy.S
@@ -28,7 +28,6 @@ DUMMY(gnttab_clear_flag);
 DUMMY(gnttab_mark_dirty);
 DUMMY(hypercall_create_continuation);
 DUMMY(is_iomem_page);
-DUMMY(max_page);
 DUMMY(node_online_map);
 DUMMY(nr_irqs_gsi);
 DUMMY(page_get_owner_and_reference);

diff --git a/xen/arch/arm/mm.c b/xen/arch/arm/mm.c
index 0cff7262dba8a864a04fd1d5ca9ac767814b8fe9..a0f39eb9b14c7c545b54ecb6fb15bc87123b7225 100644 (file)
--- a/xen/arch/arm/mm.c
+++ b/xen/arch/arm/mm.c
@@ -43,6 +43,8 @@ unsigned long xenheap_virt_end;
 unsigned long frametable_base_mfn;
 unsigned long frametable_virt_end;
 
+unsigned long max_page;
+
 /* Map a 4k page in a fixmap entry */
 void set_fixmap(unsigned map, unsigned long mfn, unsigned attributes)
 {

diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c
index 7762166b550426ae79725278b5e7960807e97670..4c1d89ceb18608e5e801cd4be66f933b4b75cd61 100644 (file)
--- a/xen/arch/arm/setup.c
+++ b/xen/arch/arm/setup.c
@@ -32,6 +32,7 @@
 #include <xen/softirq.h>
 #include <xen/keyhandler.h>
 #include <xen/cpu.h>
+#include <xen/pfn.h>
 #include <asm/page.h>
 #include <asm/current.h>
 #include <asm/setup.h>
@@ -141,6 +142,7 @@ static void __init setup_mm(unsigned long dtb_paddr, size_t dtb_size)
                     pfn_to_paddr(xenheap_mfn_start + xenheap_pages + domheap_pages));
 
     setup_frametable_mappings(ram_start, ram_end);
+    max_page = PFN_DOWN(ram_end);
 
     /* Add xenheap memory that was not already added to the boot
        allocator. */