From: Jason Gunthorpe <jgg@xxxxxxxxxxxx> This list is always read and written while holding hmm->lock so there is no need for the confusing _rcu annotations. Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx> Reviewed-by: Jérôme Glisse <jglisse@xxxxxxxxxx> Reviewed-by: John Hubbard <jhubbard@xxxxxxxxxx> Acked-by: Souptick Joarder <jrdr.linux@xxxxxxxxx> Reviewed-by: Ralph Campbell <rcampbell@xxxxxxxxxx> Reviewed-by: Ira Weiny <iweiny@xxxxxxxxx> Reviewed-by: Christoph Hellwig <hch@xxxxxx> Tested-by: Philip Yang <Philip.Yang@xxxxxxx> --- mm/hmm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/hmm.c b/mm/hmm.c index 0423f4ca3a7e..73c8af4827fe 100644 --- a/mm/hmm.c +++ b/mm/hmm.c @@ -912,7 +912,7 @@ int hmm_range_register(struct hmm_range *range, range->hmm = hmm; kref_get(&hmm->kref); - list_add_rcu(&range->list, &hmm->ranges); + list_add(&range->list, &hmm->ranges); /* * If there are any concurrent notifiers we have to wait for them for @@ -942,7 +942,7 @@ void hmm_range_unregister(struct hmm_range *range) return; mutex_lock(&hmm->lock); - list_del_rcu(&range->list); + list_del(&range->list); mutex_unlock(&hmm->lock); /* Drop reference taken by hmm_range_register() */ -- 2.20.1
