[PATCH 1/4] drm/i915: Bump object bookkeeping to u64 from size_t

[Chris Wilson]

Internally we allow for using more objects than a single process can
allocate, i.e. we allow for a 64bit GPU address space even on a 32bit
system. Using size_t may oveerflow.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 2 +-
 drivers/gpu/drm/i915/i915_drv.h     | 2 +-
 drivers/gpu/drm/i915/i915_gem.c     | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 515c206ba653..dc057c770146 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -392,7 +392,7 @@ static int i915_gem_object_info(struct seq_file *m, void *data)
 	if (ret)
 		return ret;
 
-	seq_printf(m, "%u objects, %zu bytes\n",
+	seq_printf(m, "%u objects, %llu bytes\n",
 		   dev_priv->mm.object_count,
 		   dev_priv->mm.object_memory);
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 4d1133ffe093..092c5a0a44f0 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1389,7 +1389,7 @@ struct i915_gem_mm {
 
 	/* accounting, useful for userland debugging */
 	spinlock_t object_stat_lock;
-	size_t object_memory;
+	u64 object_memory;
 	u32 object_count;
 };
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index fe92e28ea0a8..838dc159a2d1 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -82,7 +82,7 @@ remove_mappable_node(struct drm_mm_node *node)
 
 /* some bookkeeping */
 static void i915_gem_info_add_obj(struct drm_i915_private *dev_priv,
-				  size_t size)
+				  u64 size)
 {
 	spin_lock(&dev_priv->mm.object_stat_lock);
 	dev_priv->mm.object_count++;
@@ -91,7 +91,7 @@ static void i915_gem_info_add_obj(struct drm_i915_private *dev_priv,
 }
 
 static void i915_gem_info_remove_obj(struct drm_i915_private *dev_priv,
-				     size_t size)
+				     u64 size)
 {
 	spin_lock(&dev_priv->mm.object_stat_lock);
 	dev_priv->mm.object_count--;
-- 
2.9.3