refscale: Add this_cpu_inc() readers

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This commit adds refscale readers based on this_cpu_inc() and
this_cpu_inc() ("refscale.scale_type=percpuinc").  On my x86 laptop,
these are about 4.5ns per pair.

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

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Paul E. McKenney 2025-11-02 14:49:45 -08:00 • committed by Frederic Weisbecker

parent 057df3eaca

commit bdba8330ad

1 changed files with 32 additions and 4 deletions

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kernel/rcu/refscale.c

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