Message ID | 20190711141818.18044-1-yuehaibing@huawei.com (mailing list archive) |
---|---|
State | Accepted |
Commit | c312d14e19bb7ca8214ef661d9a125cd631528cb |
Headers | show |
Series | [-next] powerpc/powernv/ioda: using kfree_rcu() to simplify the code | expand |
Context | Check | Description |
---|---|---|
snowpatch_ozlabs/apply_patch | success | Successfully applied on branch next (c06dc11e93d41bae3f06a812b33ba422839936d0) |
snowpatch_ozlabs/build-ppc64le | success | Build succeeded |
snowpatch_ozlabs/build-ppc64be | success | Build succeeded |
snowpatch_ozlabs/build-ppc64e | success | Build succeeded |
snowpatch_ozlabs/build-pmac32 | success | Build succeeded |
snowpatch_ozlabs/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 22 lines checked |
On Thu, 2019-07-11 at 14:18:18 UTC, YueHaibing wrote: > 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: YueHaibing <yuehaibing@huawei.com> Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/c312d14e19bb7ca8214ef661d9a125cd631528cb cheers
diff --git a/arch/powerpc/platforms/powernv/pci-ioda-tce.c b/arch/powerpc/platforms/powernv/pci-ioda-tce.c index e28f03e..05f80b1 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda-tce.c +++ b/arch/powerpc/platforms/powernv/pci-ioda-tce.c @@ -332,14 +332,6 @@ long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset, 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) { @@ -355,7 +347,7 @@ 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; }
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: YueHaibing <yuehaibing@huawei.com> --- arch/powerpc/platforms/powernv/pci-ioda-tce.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-)