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eddffab828
Evaluating the next expiry time of all clock bases is cache line expensive as the expiry time of the first expiring timer is not cached in the base and requires to access the timer itself, which is definitely in a different cache line. It's way more efficient to keep track of the expiry time on enqueue and dequeue operations as the relevant data is already in the cache at that point. Signed-off-by: Thomas Gleixner <tglx@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://patch.msgid.link/20260224163431.404839710@kernel.org |
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