From d515936ea7f98f6aaa9217699796beadef9d664b Mon Sep 17 00:00:00 2001 From: Thomas Hellstrom Date: Tue, 17 Oct 2006 19:40:57 +0200 Subject: Add memory usage accounting to avoid DOS problems. --- linux-core/drm_fence.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'linux-core/drm_fence.c') diff --git a/linux-core/drm_fence.c b/linux-core/drm_fence.c index 3e20f129..c9a2a062 100644 --- a/linux-core/drm_fence.c +++ b/linux-core/drm_fence.c @@ -118,7 +118,8 @@ void drm_fence_usage_deref_locked(drm_device_t * dev, DRM_DEBUG("Destroyed a fence object 0x%08lx\n", fence->base.hash.key); atomic_dec(&fm->count); - kmem_cache_free(drm_cache.fence_object, fence); + drm_ctl_cache_free(drm_cache.fence_object, sizeof(*fence), + fence); } } @@ -132,7 +133,8 @@ void drm_fence_usage_deref_unlocked(drm_device_t * dev, if (atomic_read(&fence->usage) == 0) { drm_fence_unring(dev, &fence->ring); atomic_dec(&fm->count); - kmem_cache_free(drm_cache.fence_object, fence); + drm_ctl_cache_free(drm_cache.fence_object, + sizeof(*fence), fence); } mutex_unlock(&dev->struct_mutex); } @@ -439,7 +441,8 @@ int drm_fence_object_create(drm_device_t * dev, uint32_t type, int ret; drm_fence_manager_t *fm = &dev->fm; - fence = kmem_cache_alloc(drm_cache.fence_object, GFP_KERNEL); + fence = drm_ctl_cache_alloc(drm_cache.fence_object, + sizeof(*fence), GFP_KERNEL); if (!fence) return -ENOMEM; ret = drm_fence_object_init(dev, type, flags, fence); -- cgit v1.2.3