drm/msm: shrinker support
For a first step, only purge obj->madv==DONTNEED objects. We could be
more agressive and next try unpinning inactive objects.. but that is
only useful if you have swap.
Signed-off-by: Rob Clark <robdclark@gmail.com>
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index a49d7fd..4755894 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -78,6 +78,8 @@
struct msm_drm_private {
+ struct drm_device *dev;
+
struct msm_kms *kms;
/* subordinate devices, if present: */
@@ -151,6 +153,8 @@
struct drm_mm mm;
} vram;
+ struct shrinker shrinker;
+
struct msm_vblank_ctrl vblank_ctrl;
};
@@ -169,6 +173,9 @@
int msm_ioctl_gem_submit(struct drm_device *dev, void *data,
struct drm_file *file);
+void msm_gem_shrinker_init(struct drm_device *dev);
+void msm_gem_shrinker_cleanup(struct drm_device *dev);
+
int msm_gem_mmap_obj(struct drm_gem_object *obj,
struct vm_area_struct *vma);
int msm_gem_mmap(struct file *filp, struct vm_area_struct *vma);
@@ -196,6 +203,7 @@
void *msm_gem_vaddr_locked(struct drm_gem_object *obj);
void *msm_gem_vaddr(struct drm_gem_object *obj);
int msm_gem_madvise(struct drm_gem_object *obj, unsigned madv);
+void msm_gem_purge(struct drm_gem_object *obj);
int msm_gem_sync_object(struct drm_gem_object *obj,
struct msm_fence_context *fctx, bool exclusive);
void msm_gem_move_to_active(struct drm_gem_object *obj,