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Message-ID: <YzNPTwVKb7ssrH01@yury-laptop>
Date: Tue, 27 Sep 2022 12:30:23 -0700
From: Yury Norov <yury.norov@...il.com>
To: Valentin Schneider <vschneid@...hat.com>
Cc: netdev@...r.kernel.org, linux-rdma@...r.kernel.org,
linux-kernel@...r.kernel.org, Saeed Mahameed <saeedm@...dia.com>,
Leon Romanovsky <leon@...nel.org>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Rasmus Villemoes <linux@...musvillemoes.dk>,
Ingo Molnar <mingo@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
Vincent Guittot <vincent.guittot@...aro.org>,
Dietmar Eggemann <dietmar.eggemann@....com>,
Steven Rostedt <rostedt@...dmis.org>,
Mel Gorman <mgorman@...e.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Heiko Carstens <hca@...ux.ibm.com>,
Tony Luck <tony.luck@...el.com>,
Jonathan Cameron <Jonathan.Cameron@...wei.com>,
Gal Pressman <gal@...dia.com>,
Tariq Toukan <tariqt@...dia.com>,
Jesse Brandeburg <jesse.brandeburg@...el.com>
Subject: Re: [PATCH v4 5/7] sched/topology: Introduce sched_numa_hop_mask()
On Tue, Sep 27, 2022 at 05:45:10PM +0100, Valentin Schneider wrote:
> On 25/09/22 08:00, Yury Norov wrote:
> > On Fri, Sep 23, 2022 at 04:55:40PM +0100, Valentin Schneider wrote:
> >> +/**
> >> + * sched_numa_hop_mask() - Get the cpumask of CPUs at most @hops hops away.
> >> + * @node: The node to count hops from.
> >> + * @hops: Include CPUs up to that many hops away. 0 means local node.
> >> + *
> >> + * Requires rcu_lock to be held. Returned cpumask is only valid within that
> >> + * read-side section, copy it if required beyond that.
> >> + *
> >> + * Note that not all hops are equal in distance; see sched_init_numa() for how
> >> + * distances and masks are handled.
> >> + *
> >> + * Also note that this is a reflection of sched_domains_numa_masks, which may change
> >> + * during the lifetime of the system (offline nodes are taken out of the masks).
> >> + */
> >
> > Since it's exported, can you declare function parameters and return
> > values properly?
> >
>
> I'll add a bit about the return value; what is missing for the parameters?
My bad, scratch this.
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