diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_shrinker.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_shrinker.c | 56 |
1 files changed, 19 insertions, 37 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_shrinker.c b/drivers/gpu/drm/i915/i915_gem_shrinker.c index 129ed303a6c4..0e7352d82ca4 100644 --- a/drivers/gpu/drm/i915/i915_gem_shrinker.c +++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c @@ -35,9 +35,9 @@ #include "i915_drv.h" #include "i915_trace.h" -static bool i915_gem_shrinker_lock(struct drm_device *dev, bool *unlock) +static bool shrinker_lock(struct drm_i915_private *dev_priv, bool *unlock) { - switch (mutex_trylock_recursive(&dev->struct_mutex)) { + switch (mutex_trylock_recursive(&dev_priv->drm.struct_mutex)) { case MUTEX_TRYLOCK_FAILED: return false; @@ -53,12 +53,12 @@ static bool i915_gem_shrinker_lock(struct drm_device *dev, bool *unlock) BUG(); } -static void i915_gem_shrinker_unlock(struct drm_device *dev, bool unlock) +static void shrinker_unlock(struct drm_i915_private *dev_priv, bool unlock) { if (!unlock) return; - mutex_unlock(&dev->struct_mutex); + mutex_unlock(&dev_priv->drm.struct_mutex); /* expedite the RCU grace period to free some request slabs */ synchronize_rcu_expedited(); @@ -156,7 +156,7 @@ i915_gem_shrink(struct drm_i915_private *dev_priv, unsigned long count = 0; bool unlock; - if (!i915_gem_shrinker_lock(&dev_priv->drm, &unlock)) + if (!shrinker_lock(dev_priv, &unlock)) return 0; trace_i915_gem_shrink(dev_priv, target, flags); @@ -244,7 +244,7 @@ i915_gem_shrink(struct drm_i915_private *dev_priv, i915_gem_retire_requests(dev_priv); - i915_gem_shrinker_unlock(&dev_priv->drm, unlock); + shrinker_unlock(dev_priv, unlock); return count; } @@ -284,12 +284,11 @@ i915_gem_shrinker_count(struct shrinker *shrinker, struct shrink_control *sc) { struct drm_i915_private *dev_priv = container_of(shrinker, struct drm_i915_private, mm.shrinker); - struct drm_device *dev = &dev_priv->drm; struct drm_i915_gem_object *obj; unsigned long count; bool unlock; - if (!i915_gem_shrinker_lock(dev, &unlock)) + if (!shrinker_lock(dev_priv, &unlock)) return 0; i915_gem_retire_requests(dev_priv); @@ -304,7 +303,7 @@ i915_gem_shrinker_count(struct shrinker *shrinker, struct shrink_control *sc) count += obj->base.size >> PAGE_SHIFT; } - i915_gem_shrinker_unlock(dev, unlock); + shrinker_unlock(dev_priv, unlock); return count; } @@ -314,11 +313,10 @@ i915_gem_shrinker_scan(struct shrinker *shrinker, struct shrink_control *sc) { struct drm_i915_private *dev_priv = container_of(shrinker, struct drm_i915_private, mm.shrinker); - struct drm_device *dev = &dev_priv->drm; unsigned long freed; bool unlock; - if (!i915_gem_shrinker_lock(dev, &unlock)) + if (!shrinker_lock(dev_priv, &unlock)) return SHRINK_STOP; freed = i915_gem_shrink(dev_priv, @@ -332,26 +330,20 @@ i915_gem_shrinker_scan(struct shrinker *shrinker, struct shrink_control *sc) I915_SHRINK_BOUND | I915_SHRINK_UNBOUND); - i915_gem_shrinker_unlock(dev, unlock); + shrinker_unlock(dev_priv, unlock); return freed; } -struct shrinker_lock_uninterruptible { - bool was_interruptible; - bool unlock; -}; - static bool -i915_gem_shrinker_lock_uninterruptible(struct drm_i915_private *dev_priv, - struct shrinker_lock_uninterruptible *slu, - int timeout_ms) +shrinker_lock_uninterruptible(struct drm_i915_private *dev_priv, bool *unlock, + int timeout_ms) { unsigned long timeout = jiffies + msecs_to_jiffies_timeout(timeout_ms); do { if (i915_gem_wait_for_idle(dev_priv, 0) == 0 && - i915_gem_shrinker_lock(&dev_priv->drm, &slu->unlock)) + shrinker_lock(dev_priv, unlock)) break; schedule_timeout_killable(1); @@ -364,29 +356,19 @@ i915_gem_shrinker_lock_uninterruptible(struct drm_i915_private *dev_priv, } } while (1); - slu->was_interruptible = dev_priv->mm.interruptible; - dev_priv->mm.interruptible = false; return true; } -static void -i915_gem_shrinker_unlock_uninterruptible(struct drm_i915_private *dev_priv, - struct shrinker_lock_uninterruptible *slu) -{ - dev_priv->mm.interruptible = slu->was_interruptible; - i915_gem_shrinker_unlock(&dev_priv->drm, slu->unlock); -} - static int i915_gem_shrinker_oom(struct notifier_block *nb, unsigned long event, void *ptr) { struct drm_i915_private *dev_priv = container_of(nb, struct drm_i915_private, mm.oom_notifier); - struct shrinker_lock_uninterruptible slu; struct drm_i915_gem_object *obj; unsigned long unevictable, bound, unbound, freed_pages; + bool unlock; - if (!i915_gem_shrinker_lock_uninterruptible(dev_priv, &slu, 5000)) + if (!shrinker_lock_uninterruptible(dev_priv, &unlock, 5000)) return NOTIFY_DONE; freed_pages = i915_gem_shrink_all(dev_priv); @@ -415,7 +397,7 @@ i915_gem_shrinker_oom(struct notifier_block *nb, unsigned long event, void *ptr) bound += obj->base.size >> PAGE_SHIFT; } - i915_gem_shrinker_unlock_uninterruptible(dev_priv, &slu); + shrinker_unlock(dev_priv, unlock); if (freed_pages || unbound || bound) pr_info("Purging GPU memory, %lu pages freed, " @@ -435,12 +417,12 @@ i915_gem_shrinker_vmap(struct notifier_block *nb, unsigned long event, void *ptr { struct drm_i915_private *dev_priv = container_of(nb, struct drm_i915_private, mm.vmap_notifier); - struct shrinker_lock_uninterruptible slu; struct i915_vma *vma, *next; unsigned long freed_pages = 0; + bool unlock; int ret; - if (!i915_gem_shrinker_lock_uninterruptible(dev_priv, &slu, 5000)) + if (!shrinker_lock_uninterruptible(dev_priv, &unlock, 5000)) return NOTIFY_DONE; /* Force everything onto the inactive lists */ @@ -465,7 +447,7 @@ i915_gem_shrinker_vmap(struct notifier_block *nb, unsigned long event, void *ptr } out: - i915_gem_shrinker_unlock_uninterruptible(dev_priv, &slu); + shrinker_unlock(dev_priv, unlock); *(unsigned long *)ptr += freed_pages; return NOTIFY_DONE; |