diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 8f3e0c10c080..41306217bd7a 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1505,9 +1505,16 @@ i915_gem_object_truncate(struct drm_gem_object *obj) struct drm_i915_gem_object *obj_priv = to_intel_bo(obj); struct inode *inode; + /* Our goal here is to return as much of the memory as + * is possible back to the system as we are called from OOM. + * To do this we must instruct the shmfs to drop all of its + * backing pages, *now*. Here we mirror the actions taken + * when by shmem_delete_inode() to release the backing store. + */ inode = obj->filp->f_path.dentry->d_inode; - if (inode->i_op->truncate) - inode->i_op->truncate (inode); + truncate_inode_pages(inode->i_mapping, 0); + if (inode->i_op->truncate_range) + inode->i_op->truncate_range(inode, 0, (loff_t)-1); obj_priv->madv = __I915_MADV_PURGED; } |