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From: Avi Kivity <avi@scylladb.com>
To: Thomas Monjalon <thomas@monjalon.net>, anatoly.burakov@intel.com
Cc: david.marchand@redhat.com, bruce.richardson@intel.com,
	dev@dpdk.org, Kefu Chai <tchaikov@gmail.com>
Subject: Re: configuration of memseg lists number
Date: Sun, 05 Nov 2023 11:56:47 +0200	[thread overview]
Message-ID: <7fa897991d4c5f1d0b91b65ce58276c5fa434bbd.camel@scylladb.com> (raw)
In-Reply-To: <3585796.R56niFO833@thomas>

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Thanks, it makes sense. I'll get around to it "eventually".

On Thu, 2023-11-02 at 11:04 +0100, Thomas Monjalon wrote:
> Hello,
> 
> While looking at Seastar, I see it uses this patch on top of DPDK:
> 
>         build: add meson options of max_memseg_lists
> 
>         RTE_MAX_MEMSEG_LISTS = 128 is not enough for high-memory
> machines,
>         in our case, we need to increase it to 8192.
>         so add an option so user can override it.
> 
>         https://github.com/scylladb/dpdk/commit/cafaa3cf457584de
> 
> I think we could allow to configure this at runtime,
> as we did already for RTE_MAX_MEMZONE:
> we've added rte_memzone_max_set() / rte_memzone_max_get().
> 
> Opinions, comments, volunteers?
> 
> 


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  reply	other threads:[~2023-11-06 14:18 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-02 10:04 Thomas Monjalon
2023-11-05  9:56 ` Avi Kivity [this message]
2023-11-06  4:35   ` kefu chai

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