On Mon, Oct 21, 2024 at 10:10:02AM -0700, Suren Baghdasaryan wrote: > From: "Uladzislau Rezki (Sony)" <urezki@xxxxxxxxx> > > From: Uladzislau Rezki <urezki@xxxxxxxxx> > > commit 3c5d61ae919cc377c71118ccc76fa6e8518023f8 upstream. > > Add a kvfree_rcu_barrier() function. It waits until all > in-flight pointers are freed over RCU machinery. It does > not wait any GP completion and it is within its right to > return immediately if there are no outstanding pointers. > > This function is useful when there is a need to guarantee > that a memory is fully freed before destroying memory caches. > For example, during unloading a kernel module. > > Signed-off-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx> > Signed-off-by: Vlastimil Babka <vbabka@xxxxxxx> > --- > include/linux/rcutiny.h | 5 ++ > include/linux/rcutree.h | 1 + > kernel/rcu/tree.c | 109 +++++++++++++++++++++++++++++++++++++--- > 3 files changed, 107 insertions(+), 8 deletions(-) We need a signed-off-by line from you, as you did the backport here, please fix that up and resend this series. thanks, greg k-h
