From: Jakub Kicinski <kuba@kernel.org>
To: Edward Cree <ecree.xilinx@gmail.com>
Cc: edward.cree@amd.com, linux-net-drivers@amd.com,
davem@davemloft.net, pabeni@redhat.com, edumazet@google.com,
netdev@vger.kernel.org, habetsm.xilinx@gmail.com,
sudheer.mogilappagari@intel.com
Subject: Re: [RFC PATCH net-next 2/6] net: ethtool: record custom RSS contexts in the IDR
Date: Tue, 4 Apr 2023 16:40:50 -0700 [thread overview]
Message-ID: <20230404164050.1a2a5952@kernel.org> (raw)
In-Reply-To: <cfaa6688-125f-9f2e-805a-ce68281d60d2@gmail.com>
On Tue, 4 Apr 2023 12:49:18 +0100 Edward Cree wrote:
> > GFP_USER? Do you mean it for accounting? GFP_KERNEL_ACCOUNT?
>
> It's an allocation triggerable by userland; I was under the
> impression that those were supposed to use GFP_USER for some
> reason; the rss_config alloc further up this function does.
That's what I thought, too, and that it implies memory accounting.
But then someone from MM told me that that's not the case, and
that GFP_USER is supposed to be mmap()able. Or maybe the latter
part I got from the kdoc in gfp_types.h.
I think we should make sure the memory is accounted.
next prev parent reply other threads:[~2023-04-04 23:40 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-03 16:32 [RFC PATCH net-next 0/6] ethtool: track custom RSS contexts in the core edward.cree
2023-04-03 16:32 ` [RFC PATCH net-next 1/6] net: ethtool: attach an IDR of custom RSS contexts to a netdevice edward.cree
2023-04-03 21:43 ` Jakub Kicinski
2023-04-04 11:30 ` Edward Cree
2023-04-04 23:36 ` Jakub Kicinski
2023-04-03 16:32 ` [RFC PATCH net-next 2/6] net: ethtool: record custom RSS contexts in the IDR edward.cree
2023-04-03 21:48 ` Jakub Kicinski
2023-04-04 11:49 ` Edward Cree
2023-04-04 23:40 ` Jakub Kicinski [this message]
2023-04-05 9:34 ` Edward Cree
2023-04-03 16:33 ` [RFC PATCH net-next 3/6] net: ethtool: let the core choose RSS context IDs edward.cree
2023-04-03 21:54 ` Jakub Kicinski
2023-04-04 12:14 ` Edward Cree
2023-04-04 23:42 ` Jakub Kicinski
2023-04-03 16:33 ` [RFC PATCH net-next 4/6] net: ethtool: pass ctx_priv and create into .set_rxfh_context edward.cree
2023-04-03 16:33 ` [RFC PATCH net-next 5/6] net: ethtool: add a mutex protecting RSS contexts edward.cree
2023-04-03 22:03 ` Jakub Kicinski
2023-04-04 12:32 ` Edward Cree
2023-04-04 23:46 ` Jakub Kicinski
2023-04-03 16:33 ` [RFC PATCH net-next 6/6] sfc: use new .set_rxfh_context API edward.cree
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