diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem_shrinker.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem_shrinker.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem_shrinker.c b/drivers/gpu/drm/msm/msm_gem_shrinker.c index 2dc0ffa925b4..6be073b8ca08 100644 --- a/drivers/gpu/drm/msm/msm_gem_shrinker.c +++ b/drivers/gpu/drm/msm/msm_gem_shrinker.c @@ -51,6 +51,8 @@ msm_gem_shrinker_count(struct shrinker *shrinker, struct shrink_control *sc) if (!msm_gem_shrinker_lock(dev, &unlock)) return 0; + mutex_lock(&priv->mm_lock); + list_for_each_entry(msm_obj, &priv->inactive_list, mm_list) { if (!msm_gem_trylock(&msm_obj->base)) continue; @@ -59,6 +61,8 @@ msm_gem_shrinker_count(struct shrinker *shrinker, struct shrink_control *sc) msm_gem_unlock(&msm_obj->base); } + mutex_unlock(&priv->mm_lock); + if (unlock) mutex_unlock(&dev->struct_mutex); @@ -78,6 +82,8 @@ msm_gem_shrinker_scan(struct shrinker *shrinker, struct shrink_control *sc) if (!msm_gem_shrinker_lock(dev, &unlock)) return SHRINK_STOP; + mutex_lock(&priv->mm_lock); + list_for_each_entry(msm_obj, &priv->inactive_list, mm_list) { if (freed >= sc->nr_to_scan) break; @@ -90,6 +96,8 @@ msm_gem_shrinker_scan(struct shrinker *shrinker, struct shrink_control *sc) msm_gem_unlock(&msm_obj->base); } + mutex_unlock(&priv->mm_lock); + if (unlock) mutex_unlock(&dev->struct_mutex); @@ -112,6 +120,8 @@ msm_gem_shrinker_vmap(struct notifier_block *nb, unsigned long event, void *ptr) if (!msm_gem_shrinker_lock(dev, &unlock)) return NOTIFY_DONE; + mutex_lock(&priv->mm_lock); + list_for_each_entry(msm_obj, &priv->inactive_list, mm_list) { if (!msm_gem_trylock(&msm_obj->base)) continue; @@ -129,6 +139,8 @@ msm_gem_shrinker_vmap(struct notifier_block *nb, unsigned long event, void *ptr) break; } + mutex_unlock(&priv->mm_lock); + if (unlock) mutex_unlock(&dev->struct_mutex); |