Paul E. McKenney ed60ad733a refscale: Warn on individual ref_scale_init() error conditions ...

When running refscale as a module, any ref_scale_init() issues will be
reflected in the error code from modprobe or insmod, as the case may be.
However, these error codes are not available when running refscale
built-in, for example, when using the kvm.sh script.  This commit
therefore adds WARN_ON_ONCE() to allow distinguishing ref_scale_init()
errors when running refscale built-in.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

2021-09-13 16:36:16 -07:00

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