x86/cpu: Take NUMA node into account when allocating per-CPU cpumasks

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per-CPU cpumasks are dominantly accessed from their own local CPUs,
so allocate them node-local to improve performance.

[ mingo: Rewrote the changelog. ]

Signed-off-by: Li RongQing <lirongqing@baidu.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20240410030114.6201-1-lirongqing@baidu.com

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Li RongQing 2024-04-10 11:01:14 +08:00 • committed by Ingo Molnar

parent 7911f145de

commit e0a9ac192f

2 changed files with 9 additions and 7 deletions

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arch/x86/kernel/apic/x2apic_cluster.c

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13

arch/x86/kernel/smpboot.c

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