Merge branch 'drm-patches' of master.kernel.org:/pub/scm/linux/kernel/git/airlied/drm-2.6

* 'drm-patches' of master.kernel.org:/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm/i915: Add 965GM pci id update
  drm: just use io_remap_pfn_range on all archs..
  drm: fix DRM_CONSISTENT mapping
  drm: fix up mmap locking in preparation for ttm changes
  drm: fix driver deadlock with AIGLX and reclaim_buffers_locked
  drm: fix warning in drm_fops.c
  drm: allow for more generic drm ioctls
  drm: fix alpha domain handling
  via: fix CX700 pci id
  drm: make drm_io_prot static.
  drm: remove via_mm.h
  drm: add missing NULL assignment
  drm/radeon: Fix u32 overflows when determining AGP base address in card space.
  drm: port over use_vmalloc code from git hashtab
  drm: fix crash with fops lock and fixup sarea/page size locking
  drm: bring bufs code from git tree.
  drm: move protection stuff into separate function
  drm: Use ARRAY_SIZE macro when appropriate
  drm: update README.drm (bugzilla #7933)
  drm: remove unused exports

1 files changed, 15 insertions, 2 deletions

diff --git a/drivers/char/drm/drm_hashtab.c b/drivers/char/drm/drm_hashtab.c
index a0b2d6802ae..31acb621dcc 100644
--- a/drivers/char/drm/drm_hashtab.c
+++ b/drivers/char/drm/drm_hashtab.c
@@ -43,7 +43,16 @@ int drm_ht_create(drm_open_hash_t *ht, unsigned int order)
 	ht->size = 1 << order;
 	ht->order = order;
 	ht->fill = 0;
-	ht->table = vmalloc(ht->size*sizeof(*ht->table));
+	ht->table = NULL;
+	ht->use_vmalloc = ((ht->size * sizeof(*ht->table)) > PAGE_SIZE);
+	if (!ht->use_vmalloc) {
+		ht->table = drm_calloc(ht->size, sizeof(*ht->table),
+				       DRM_MEM_HASHTAB);
+	}
+	if (!ht->table) {
+		ht->use_vmalloc = 1;
+		ht->table = vmalloc(ht->size*sizeof(*ht->table));
+	}
 	if (!ht->table) {
 		DRM_ERROR("Out of memory for hash table\n");
 		return -ENOMEM;
@@ -183,7 +192,11 @@ int drm_ht_remove_item(drm_open_hash_t *ht, drm_hash_item_t *item)
 void drm_ht_remove(drm_open_hash_t *ht)
 {
 	if (ht->table) {
-		vfree(ht->table);
+		if (ht->use_vmalloc)
+			vfree(ht->table);
+		else
+			drm_free(ht->table, ht->size * sizeof(*ht->table),
+				 DRM_MEM_HASHTAB);
 		ht->table = NULL;
 	}
 }