[Deepin-Kernel-SIG] [linux 6.18-y] [Fromlist] steal tasks to improve CPU utilization#1618

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Avenger-285714 wants to merge 10 commits into

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Avenger-285714:feature/steal-tasks

Commits on Apr 13, 2026

sched: Provide sparsemask, a reduced contention bitmap

Steve Sistare
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Avenger-285714
committed
sched/topology: Provide hooks to allocate data shared per LLC

Steve Sistare
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Avenger-285714
committed
sched/topology: Provide cfs_overload_cpus bitmap

Steve Sistare
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Avenger-285714
committed
sched/fair: Dynamically update cfs_overload_cpus

Steve Sistare
authored and
Avenger-285714
committed
sched/fair: Hoist idle_stamp up from idle_balance

Steve Sistare
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Avenger-285714
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sched/fair: Generalize the detach_task interface

Steve Sistare
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Avenger-285714
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sched/fair: Provide can_migrate_task_llc

Steve Sistare
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Avenger-285714
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sched/fair: Steal work from an overloaded CPU when CPU goes idle

Steve Sistare
authored and
Avenger-285714
committed
deepin: sched/sparsemask: fix UBSAN array-index-out-of-bounds
Avenger-285714
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deepin: sched/fair: Default disable SCHED_FEAT(STEAL) for safety
Avenger-285714
committed