Messages in this thread | | | Date | Wed, 24 Feb 2021 19:41:41 +0800 | From | Coiby Xu <> | Subject | Re: [RFC PATCH 4/4] i40e: don't open i40iw client for kdump |
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Hi Jakub,
Thank you for reviewing the patch!
On Tue, Feb 23, 2021 at 12:22:07PM -0800, Jakub Kicinski wrote: >On Mon, 22 Feb 2021 15:07:01 +0800 Coiby Xu wrote: >> i40iw consumes huge amounts of memory. For example, on a x86_64 machine, >> i40iw consumed 1.5GB for Intel Corporation Ethernet Connection X722 for >> for 1GbE while "craskernel=auto" only reserved 160M. With the module >> parameter "resource_profile=2", we can reduce the memory usage of i40iw >> to ~300M which is still too much for kdump. >> >> Disabling the client registration would spare us the client interface >> operation open , i.e., i40iw_open for iwarp/uda device. Thus memory is >> saved for kdump. >> >> Signed-off-by: Coiby Xu <coxu@redhat.com> > >Is i40iw or whatever the client is not itself under a CONFIG which >kdump() kernels could be reasonably expected to disable? >
I'm not sure if I understand you correctly. Do you mean we shouldn't disable i40iw for kdump?
-- Best regards, Coiby
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