[PATCH v2 06/23] drm/gem: Export drm_gem_lru_move_tail_locked()

Rob Clark
2023-03-20T14:45:28Z

Export the locked version or lru's move_tail().

Signed-off-by: Rob Clark <robdclark@chromium.org>
---
drivers/gpu/drm/drm_gem.c | 11 ++++++++++-
include/drm/drm_gem.h | 1 +
2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 59a0bb5ebd85..693f7f35a7bd 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -1344,7 +1344,15 @@ drm_gem_lru_remove(struct drm_gem_object *obj)
}
EXPORT_SYMBOL(drm_gem_lru_remove);

-static void
+/**
+ * drm_gem_lru_move_tail_locked - move the object to the tail of the LRU
+ *
+ * Like &drm_gem_lru_move_tail but lru lock must be held
+ *
+ * @lru: The LRU to move the object into.
+ * @obj: The GEM object to move into this LRU
+ */
+void
drm_gem_lru_move_tail_locked(struct drm_gem_lru *lru, struct drm_gem_object *obj)
{
lockdep_assert_held_once(lru->lock);
@@ -1356,6 +1364,7 @@ drm_gem_lru_move_tail_locked(struct drm_gem_lru *lru, struct drm_gem_object *obj
list_add_tail(&obj->lru_node, &lru->list);
obj->lru = lru;
}
+EXPORT_SYMBOL(drm_gem_lru_move_tail_locked);

/**
* drm_gem_lru_move_tail - move the object to the tail of the LRU
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
index 772a4adf5287..a811c7e346ec 100644
--- a/include/drm/drm_gem.h
+++ b/include/drm/drm_gem.h
@@ -475,6 +475,7 @@ int drm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,

void drm_gem_lru_init(struct drm_gem_lru *lru, struct mutex *lock);
void drm_gem_lru_remove(struct drm_gem_object *obj);
+void drm_gem_lru_move_tail_locked(struct drm_gem_lru *lru, struct drm_gem_object *obj);
void drm_gem_lru_move_tail(struct drm_gem_lru *lru, struct drm_gem_object *obj);
unsigned long drm_gem_lru_scan(struct drm_gem_lru *lru, unsigned nr_to_scan,
bool (*shrink)(struct drm_gem_object *obj));
--
2.39.2