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bpf: use rcu_read_lock_dont_migrate() for bpf_inode_storage_free()
Use rcu_read_lock_dont_migrate() and rcu_read_unlock_migrate() in bpf_inode_storage_free to obtain better performance when PREEMPT_RCU is not enabled. Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn> Link: https://lore.kernel.org/r/20250821090609.42508-4-dongml2@chinatelecom.cn Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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