diff options
Diffstat (limited to 'drivers/char/drm')
| -rw-r--r-- | drivers/char/drm/drm_hashtab.c | 16 | ||||
| -rw-r--r-- | drivers/char/drm/drm_hashtab.h | 1 |
2 files changed, 15 insertions, 2 deletions
diff --git a/drivers/char/drm/drm_hashtab.c b/drivers/char/drm/drm_hashtab.c index a0b2d6802ae..df0c48539ca 100644 --- a/drivers/char/drm/drm_hashtab.c +++ b/drivers/char/drm/drm_hashtab.c @@ -43,7 +43,15 @@ 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->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 +191,11 @@ 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; } } diff --git a/drivers/char/drm/drm_hashtab.h b/drivers/char/drm/drm_hashtab.h index 40afec05bff..613091c970a 100644 --- a/drivers/char/drm/drm_hashtab.h +++ b/drivers/char/drm/drm_hashtab.h @@ -47,6 +47,7 @@ typedef struct drm_open_hash{ unsigned int order; unsigned int fill; struct hlist_head *table; + int use_vmalloc; } drm_open_hash_t; |