powerpc/powernv/ioda: using kfree_rcu() to simplify the code (c312d14e) · Commits · 戴 / test

The callback function of call_rcu() just calls a kfree(), so we can use kfree_rcu() instead of call_rcu() + callback function. Signed-off-by:

arch/powerpc/platforms/powernv/pci-ioda-tce.c

+1 −9

Original line number	Diff line number	Diff line
		@@ -340,14 +340,6 @@ free_tces_exit:
		return -ENOMEM;
		}

		static void pnv_iommu_table_group_link_free(struct rcu_head *head)
		{
		struct iommu_table_group_link *tgl = container_of(head,
		struct iommu_table_group_link, rcu);

		kfree(tgl);
		}

		void pnv_pci_unlink_table_and_group(struct iommu_table *tbl,
		struct iommu_table_group *table_group)
		{
		@@ -363,7 +355,7 @@ void pnv_pci_unlink_table_and_group(struct iommu_table *tbl,
		list_for_each_entry_rcu(tgl, &tbl->it_group_list, next) {
		if (tgl->table_group == table_group) {
		list_del_rcu(&tgl->next);
		call_rcu(&tgl->rcu, pnv_iommu_table_group_link_free);
		kfree_rcu(tgl, rcu);
		found = true;
		break;
		}