If we want to know how many pages a VMA spans, we can use vma_pages() to
find out. We have one such invocation inside our faulthandler, so
convert it. (We have two other that want the size in bytes rather than
pages, food for future thought.)
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/i915_gem.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 84f4953c7408..7a210c3a6d10 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1794,8 +1794,7 @@ int i915_gem_fault(struct vm_area_struct *area, struct
vm_fault *vmf)
view.params.partial.offset = rounddown(page_offset, chunk_size);
view.params.partial.size =
min_t(unsigned int, chunk_size,
- (area->vm_end - area->vm_start) / PAGE_SIZE -
- view.params.partial.offset);
+ vma_pages(area) - view.params.partial.offset);
/* If the partial covers the entire object, just create a
* normal VMA.
--
2.9.3
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