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For CONFIG_NR_CPUS < 16K, _Q_PENDING_BITS is 8 and the pending field occupies bits 8-15 of the lock word. The current comment documents bit 8 as pending and bits 9-15 as unused, which describes the pending flag value rather than the field layout. Describe bits 8-15 as the pending byte so the layout description is consistent with the lock byte. Signed-off-by: WEI-HONG, YE <1234567weewee457@gmail.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Waiman Long <longman@redhat.com> Link: https://patch.msgid.link/20260525130450.723937-1-1234567weewee457@gmail.com