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authorThomas Gleixner <tglx@linutronix.de>2011-05-14 12:06:36 +0200
committerThomas Gleixner <tglx@linutronix.de>2011-05-14 12:06:36 +0200
commita18f22a968de17b29f2310cdb7ba69163e65ec15 (patch)
treea7d56d88fad5e444d7661484109758a2f436129e /drivers/gpu/drm/drm_hashtab.c
parenta1c57e0fec53defe745e64417eacdbd3618c3e66 (diff)
parent798778b8653f64b7b2162ac70eca10367cff6ce8 (diff)
Merge branch 'consolidate-clksrc-i8253' of master.kernel.org:~rmk/linux-2.6-arm into timers/clocksource
Conflicts: arch/ia64/kernel/cyclone.c arch/mips/kernel/i8253.c arch/x86/kernel/i8253.c Reason: Resolve conflicts so further cleanups do not conflict further Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/gpu/drm/drm_hashtab.c')
-rw-r--r--drivers/gpu/drm/drm_hashtab.c27
1 files changed, 8 insertions, 19 deletions
diff --git a/drivers/gpu/drm/drm_hashtab.c b/drivers/gpu/drm/drm_hashtab.c
index a93d7b4ddaa..e3a75688f3c 100644
--- a/drivers/gpu/drm/drm_hashtab.c
+++ b/drivers/gpu/drm/drm_hashtab.c
@@ -39,27 +39,18 @@
int drm_ht_create(struct drm_open_hash *ht, unsigned int order)
{
- unsigned int i;
+ unsigned int size = 1 << order;
- ht->size = 1 << order;
ht->order = order;
- ht->fill = 0;
ht->table = NULL;
- ht->use_vmalloc = ((ht->size * sizeof(*ht->table)) > PAGE_SIZE);
- if (!ht->use_vmalloc) {
- ht->table = kcalloc(ht->size, sizeof(*ht->table), GFP_KERNEL);
- }
- if (!ht->table) {
- ht->use_vmalloc = 1;
- ht->table = vmalloc(ht->size*sizeof(*ht->table));
- }
+ if (size <= PAGE_SIZE / sizeof(*ht->table))
+ ht->table = kcalloc(size, sizeof(*ht->table), GFP_KERNEL);
+ else
+ ht->table = vzalloc(size*sizeof(*ht->table));
if (!ht->table) {
DRM_ERROR("Out of memory for hash table\n");
return -ENOMEM;
}
- for (i=0; i< ht->size; ++i) {
- INIT_HLIST_HEAD(&ht->table[i]);
- }
return 0;
}
EXPORT_SYMBOL(drm_ht_create);
@@ -180,7 +171,6 @@ int drm_ht_remove_key(struct drm_open_hash *ht, unsigned long key)
list = drm_ht_find_key(ht, key);
if (list) {
hlist_del_init(list);
- ht->fill--;
return 0;
}
return -EINVAL;
@@ -189,7 +179,6 @@ int drm_ht_remove_key(struct drm_open_hash *ht, unsigned long key)
int drm_ht_remove_item(struct drm_open_hash *ht, struct drm_hash_item *item)
{
hlist_del_init(&item->head);
- ht->fill--;
return 0;
}
EXPORT_SYMBOL(drm_ht_remove_item);
@@ -197,10 +186,10 @@ EXPORT_SYMBOL(drm_ht_remove_item);
void drm_ht_remove(struct drm_open_hash *ht)
{
if (ht->table) {
- if (ht->use_vmalloc)
- vfree(ht->table);
- else
+ if ((PAGE_SIZE / sizeof(*ht->table)) >> ht->order)
kfree(ht->table);
+ else
+ vfree(ht->table);
ht->table = NULL;
}
}