agp: switch AGP to use page array instead of unsigned long array
This switches AGP to use an array of pages for tracking the
pages allocated to the GART. This should enable GEM on PAE to work
a lot better as we can pass highmem pages to the PAT code and it will
do the right thing with them.
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c
index f95d03a..7e1fbe5 100644
--- a/drivers/gpu/drm/drm_vm.c
+++ b/drivers/gpu/drm/drm_vm.c
@@ -144,14 +144,14 @@
* Get the page, inc the use count, and return it
*/
offset = (baddr - agpmem->bound) >> PAGE_SHIFT;
- page = virt_to_page(__va(agpmem->memory->memory[offset]));
+ page = agpmem->memory->pages[offset];
get_page(page);
vmf->page = page;
DRM_DEBUG
("baddr = 0x%llx page = 0x%p, offset = 0x%llx, count=%d\n",
(unsigned long long)baddr,
- __va(agpmem->memory->memory[offset]),
+ agpmem->memory->pages[offset],
(unsigned long long)offset,
page_count(page));
return 0;