{
unsigned long sz;
static int welcomed = 0;
- struct page *page;
unsigned int i;
struct iommu_pool *p;
/* number of bytes needed for the bitmap */
sz = BITS_TO_LONGS(tbl->it_size) * sizeof(unsigned long);
- page = alloc_pages_node(nid, GFP_KERNEL, get_order(sz));
- if (!page)
+ tbl->it_map = vzalloc_node(sz, nid);
+ if (!tbl->it_map)
panic("iommu_init_table: Can't allocate %ld bytes\n", sz);
- tbl->it_map = page_address(page);
- memset(tbl->it_map, 0, sz);
iommu_table_reserve_pages(tbl, res_start, res_end);
static void iommu_table_free(struct kref *kref)
{
- unsigned long bitmap_sz;
- unsigned int order;
struct iommu_table *tbl;
tbl = container_of(kref, struct iommu_table, it_kref);
if (!bitmap_empty(tbl->it_map, tbl->it_size))
pr_warn("%s: Unexpected TCEs\n", __func__);
- /* calculate bitmap size in bytes */
- bitmap_sz = BITS_TO_LONGS(tbl->it_size) * sizeof(unsigned long);
-
/* free bitmap */
- order = get_order(bitmap_sz);
- free_pages((unsigned long) tbl->it_map, order);
+ vfree(tbl->it_map);
/* free table */
kfree(tbl);