On 08/04/16 12:11, Chris Wilson wrote:
When called because we have run out of vmap address space, we only need
to recover objects that have vmappings and not all.
v2: Start using is_vmalloc_addr()
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursu...@linux.intel.com>
---
drivers/gpu/drm/i915/i915_drv.h | 1 +
drivers/gpu/drm/i915/i915_gem_shrinker.c | 10 +++++++++-
2 files changed, 10 insertions(+), 1 deletion(-)
Reviewed-by: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
Regards,
Tvrtko
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index eda4218e2ede..4061a11e4234 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -3338,6 +3338,7 @@ unsigned long i915_gem_shrink(struct drm_i915_private
*dev_priv,
#define I915_SHRINK_UNBOUND 0x2
#define I915_SHRINK_BOUND 0x4
#define I915_SHRINK_ACTIVE 0x8
+#define I915_SHRINK_VMAPS 0x10
unsigned long i915_gem_shrink_all(struct drm_i915_private *dev_priv);
void i915_gem_shrinker_init(struct drm_i915_private *dev_priv);
void i915_gem_shrinker_cleanup(struct drm_i915_private *dev_priv);
diff --git a/drivers/gpu/drm/i915/i915_gem_shrinker.c
b/drivers/gpu/drm/i915/i915_gem_shrinker.c
index 39943793edcc..d46388f25e04 100644
--- a/drivers/gpu/drm/i915/i915_gem_shrinker.c
+++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c
@@ -167,6 +167,10 @@ i915_gem_shrink(struct drm_i915_private *dev_priv,
obj->madv != I915_MADV_DONTNEED)
continue;
+ if (flags & I915_SHRINK_VMAPS &&
+ !is_vmalloc_addr(obj->mapping))
+ continue;
+
if ((flags & I915_SHRINK_ACTIVE) == 0 && obj->active)
continue;
@@ -388,7 +392,11 @@ i915_gem_shrinker_vmap(struct notifier_block *nb, unsigned
long event, void *ptr
if (!i915_gem_shrinker_lock_uninterruptible(dev_priv, &slu, 5000))
return NOTIFY_DONE;
- freed_pages = i915_gem_shrink_all(dev_priv);
+ freed_pages = i915_gem_shrink(dev_priv, -1UL,
+ I915_SHRINK_BOUND |
+ I915_SHRINK_UNBOUND |
+ I915_SHRINK_ACTIVE |
+ I915_SHRINK_VMAPS);
i915_gem_shrinker_unlock_uninterruptible(dev_priv, &slu);
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