sched/cache: Assign preferred LLC ID to processes

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With cache-aware scheduling enabled, each task is assigned a
preferred LLC ID. This allows quick identification of the LLC domain
where the task prefers to run, similar to numa_preferred_nid in
NUMA balancing.

Co-developed-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/f2ceecba5858680349ad4ce9303a2121f0bb7272.1775065312.git.tim.c.chen@linux.intel.com

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Tim Chen 2026-04-01 14:52:18 -07:00 • committed by Peter Zijlstra

parent b5ea300a17

commit 47d8696b95

3 changed files with 47 additions and 0 deletions

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1

include/linux/sched.h

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3

init/init_task.c

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43

kernel/sched/fair.c

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