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1. put the dead val into a macro so that it can be used in other places 2. __lockref_is_dead(): - drop the __ suffix, this is not an internal routine - drop the spurious cast, the value is already a signed int - use READ_ONCE to prevent any compile shenanigans 3. provide lockref_is_dead_or_zero() Signed-off-by: Mateusz Guzik <mjguzik@gmail.com> Link: https://patch.msgid.link/20260724171422.429284-2-mjguzik@gmail.com Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>