The hrtimer subsystem wants to peak ahead to the next and previous timer to evaluated whether a to be rearmed timer can stay at the same position in the RB tree with the new expiry time. The linked RB tree provides the infrastructure for this as it maintains links to the previous and next nodes for each entry in the tree. Provide timerqueue wrappers around that. Signed-off-by: Thomas Gleixner <tglx@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://patch.msgid.link/20260224163431.734827095@kernel.org |
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