lkml.org 
[lkml]   [2021]   [Feb]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC PATCH 4/4] i40e: don't open i40iw client for kdump
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?

\
 
 \ /
  Last update: 2021-02-23 21:24    [W:0.451 / U:0.040 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site