Remove max number of locked pages check and call, since

that is now handled by the memory accounting.

3 files changed, 0 insertions, 33 deletions

diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index b10e9881..fab3608f 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -814,7 +814,6 @@ typedef struct drm_buffer_manager{
 	struct list_head ddestroy;
         struct work_struct wq;
         uint32_t fence_type;
-        unsigned long max_pages;
         unsigned long cur_pages;
         atomic_t count;
 } drm_buffer_manager_t;
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c
index e8e8a274..b8ee6c15 100644
--- a/linux-core/drm_bo.c
+++ b/linux-core/drm_bo.c
@@ -1859,7 +1859,6 @@ int drm_bo_driver_init(drm_device_t * dev)
 	drm_bo_driver_t *driver = dev->driver->bo_driver;
 	drm_buffer_manager_t *bm = &dev->bm;
 	int ret = -EINVAL;
-	struct sysinfo si;
 
 	mutex_lock(&dev->bm.init_mutex);
 	mutex_lock(&dev->struct_mutex);
@@ -1880,8 +1879,6 @@ int drm_bo_driver_init(drm_device_t * dev)
 	bm->nice_mode = 1;
 	atomic_set(&bm->count, 0);
 	bm->cur_pages = 0;
-	si_meminfo(&si);
-	bm->max_pages = si.totalram >> 1;
 	INIT_LIST_HEAD(&bm->unfenced);
 	INIT_LIST_HEAD(&bm->ddestroy);
       out_unlock:
@@ -1944,30 +1941,6 @@ int drm_mm_init_ioctl(DRM_IOCTL_ARGS)
 				  "Delaying takedown\n", arg.req.mem_type);
 		}
 		break;
-	case mm_set_max_pages:{
-			struct sysinfo si;
-			mutex_lock(&dev->bm.init_mutex);
-			mutex_lock(&dev->struct_mutex);
-			if (arg.req.p_size < bm->cur_pages) {
-				DRM_ERROR
-				    ("Cannot currently decrease max number of "
-				     "locked pages below the number currently "
-				     "locked.\n");
-				ret = -EINVAL;
-				break;
-			}
-			si_meminfo(&si);
-			if (arg.req.p_size > si.totalram) {
-				DRM_ERROR
-				    ("Cannot set max number of locked pages "
-				     "to %lu since the total number of RAM pages "
-				     "is %lu.\n", (unsigned long)arg.req.p_size,
-				     (unsigned long)si.totalram);
-				ret = -EINVAL;
-				break;
-			}
-			bm->max_pages = arg.req.p_size;
-		}
 	case mm_lock:
 		LOCK_TEST_WITH_RETURN(dev, filp);
 		mutex_lock(&dev->bm.init_mutex);
diff --git a/linux-core/drm_compat.c b/linux-core/drm_compat.c
index 4a035f49..90e53419 100644
--- a/linux-core/drm_compat.c
+++ b/linux-core/drm_compat.c
@@ -234,11 +234,6 @@ struct page *drm_vm_ttm_nopage(struct vm_area_struct *vma,
 	page = ttm->pages[page_offset];
 
 	if (!page) {
-		if (bm->cur_pages >= bm->max_pages) {
-	 		DRM_ERROR("Maximum locked page count exceeded\n"); 
-			page = NOPAGE_OOM;
-			goto out;
-		}
 		if (drm_alloc_memctl(PAGE_SIZE)) {
 			page = NOPAGE_OOM;
 			goto out;