# HG changeset patch
# User yamahata@xxxxxxxxxxxxx
# Date 1181025843 -32400
# Node ID 552f999fcc091457228322c3b58cd924508bfad3
# Parent  a5751c102cf35e7a2cf4b490a151c73a67cd934b
compilation fix.
- for pfn, unsigned long should be used. not paddr_t.
  paddr_t is only defined on x86 and for guest physical address.
- use pfn_valid() instead of max_mapnr.
PATCHNAME: compilation_fix_of_gnttab_c

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>

diff -r a5751c102cf3 -r 552f999fcc09 linux-2.6-xen-sparse/drivers/xen/core/gnttab.c
--- a/linux-2.6-xen-sparse/drivers/xen/core/gnttab.c	Tue Jun 05 15:07:45 2007 +0900
+++ b/linux-2.6-xen-sparse/drivers/xen/core/gnttab.c	Tue Jun 05 15:44:03 2007 +0900
@@ -516,7 +516,7 @@ int gnttab_copy_grant_page(grant_ref_t r
 	struct page *new_page;
 	void *new_addr;
 	void *addr;
-	paddr_t pfn;
+	unsigned long pfn;
 	maddr_t mfn;
 	maddr_t new_mfn;
 	int err;
@@ -598,7 +598,7 @@ maddr_t gnttab_dma_map_page(struct page 
 	if (!PageForeign(page))
 		return mfn << PAGE_SHIFT;
 
-	if (mfn_to_local_pfn(mfn) < max_mapnr)
+	if (pfn_valid(mfn_to_local_pfn(mfn)))
 		return mfn << PAGE_SHIFT;
 
 	atomic_set(&page->_mapcount, 0);