[PATCH openEuler-22.03-LTS-SP1 0/2] Fix UAF problem of hpool

Add rcu lock protection to avoid get refcount of hpool after it has been freed.

Liu Shixin (2): mm/dynamic_hugetlb: simplify the refcount code mm/dynamic_hugetlb: use rcu lock to protect hpool

mm/dynamic_hugetlb.c | 128 +++++++++++++++++++++++++++---------------- 1 file changed, 82 insertions(+), 46 deletions(-)