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Message-ID: <202312201748+0800-wangjinchao@xfusion.com> Date: Wed, 20 Dec 2023 17:49:26 +0800 From: Wang Jinchao <wangjinchao@...sion.com> To: Ingo Molnar <mingo@...hat.com>, Peter Zijlstra <peterz@...radead.org>, Juri Lelli <juri.lelli@...hat.com>, Vincent Guittot <vincent.guittot@...aro.org>, Dietmar Eggemann <dietmar.eggemann@....com>, Steven Rostedt <rostedt@...dmis.org>, Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>, Daniel Bristot de Oliveira <bristot@...hat.com>, Valentin Schneider <vschneid@...hat.com>, <linux-kernel@...r.kernel.org> CC: <stone.xulei@...sion.com>, <wangjinchao@...sion.com> Subject: [PATCH] sched/eevdf: Correct comment in place_entity Fix variable names in the place_entity function comments to accurately represent lag calculation. Signed-off-by: Wang Jinchao <wangjinchao@...sion.com> --- kernel/sched/fair.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index d7a3c63a2171..23e3fa1236f5 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -5160,7 +5160,7 @@ place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int flags) * V' = (\Sum w_j*v_j + w_i*v_i) / (W + w_i) * = (W*V + w_i*(V - vl_i)) / (W + w_i) * = (W*V + w_i*V - w_i*vl_i) / (W + w_i) - * = (V*(W + w_i) - w_i*l) / (W + w_i) + * = (V*(W + w_i) - w_i*vl_i) / (W + w_i) * = V - w_i*vl_i / (W + w_i) * * And the actual lag after adding an entity with vl_i is: -- 2.40.0
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