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drm: Remove unused members from struct drm_open_hash 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Chris Wilson 2011-01-26 18:33:25 +00:00 committed by Dave Airlie
parent 4cb81ac202
commit 7811bddb66
2 changed files with 9 additions and 24 deletions
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27
drivers/gpu/drm/drm_hashtab.c
View File

@ -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;
}
}

6
include/drm/drm_hashtab.h
View File

@ -45,14 +45,10 @@ struct drm_hash_item {
};
struct drm_open_hash {
unsigned int size;
unsigned int order;
unsigned int fill;
struct hlist_head *table;
int use_vmalloc;
u8 order;
};
extern int drm_ht_create(struct drm_open_hash *ht, unsigned int order);
extern int drm_ht_insert_item(struct drm_open_hash *ht, struct drm_hash_item *item);
extern int drm_ht_just_insert_please(struct drm_open_hash *ht, struct drm_hash_item *item,