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author | Imre Deak <imre.deak@intel.com> | 2016-01-19 15:26:28 +0200 |
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committer | Imre Deak <imre.deak@intel.com> | 2016-01-27 17:43:14 +0200 |
commit | a8a40589257a280b49c7d9b744910036d11aac5d (patch) | |
tree | c06c2283bd3cfcc894da3510d49790a0356c59aa /drivers/gpu/drm/i915/i915_gem_shrinker.c | |
parent | 02036cee8373712d154a7cac76e1325f93fce9e5 (diff) | |
download | op-kernel-dev-a8a40589257a280b49c7d9b744910036d11aac5d.zip op-kernel-dev-a8a40589257a280b49c7d9b744910036d11aac5d.tar.gz |
drm/i915: Sanitize GEM shrinker init and clean-up
Factor out the common GEM shrinker clean-up code and call the shrinker
init function from the same function from where the corresponding
shrinker clean-up function is called. Also add sanity checking to the
shrinker and OOM registration calls.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: David Weinehall <david.weinehall@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1453209992-25995-4-git-send-email-imre.deak@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_shrinker.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_gem_shrinker.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_shrinker.c b/drivers/gpu/drm/i915/i915_gem_shrinker.c index 16da9c1..58c1e59 100644 --- a/drivers/gpu/drm/i915/i915_gem_shrinker.c +++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c @@ -367,8 +367,20 @@ void i915_gem_shrinker_init(struct drm_i915_private *dev_priv) dev_priv->mm.shrinker.scan_objects = i915_gem_shrinker_scan; dev_priv->mm.shrinker.count_objects = i915_gem_shrinker_count; dev_priv->mm.shrinker.seeks = DEFAULT_SEEKS; - register_shrinker(&dev_priv->mm.shrinker); + WARN_ON(register_shrinker(&dev_priv->mm.shrinker)); dev_priv->mm.oom_notifier.notifier_call = i915_gem_shrinker_oom; - register_oom_notifier(&dev_priv->mm.oom_notifier); + WARN_ON(register_oom_notifier(&dev_priv->mm.oom_notifier)); +} + +/** + * i915_gem_shrinker_cleanup - Clean up i915 shrinker + * @dev_priv: i915 device + * + * This function unregisters the i915 shrinker and OOM handler. + */ +void i915_gem_shrinker_cleanup(struct drm_i915_private *dev_priv) +{ + WARN_ON(unregister_oom_notifier(&dev_priv->mm.oom_notifier)); + unregister_shrinker(&dev_priv->mm.shrinker); } |