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b7418e6e9b
To prepare for optimizing the rearming of enqueued timers, switch to the linked timerqueue. That allows to check whether the new expiry time changes the position of the timer in the RB tree or not, by checking the new expiry time against the previous and the next timers expiry. Signed-off-by: Thomas Gleixner <tglx@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://patch.msgid.link/20260224163431.806643179@kernel.org