Messages in this thread | | | Date | Mon, 20 Mar 2023 10:37:38 +0100 | Subject | Re: [RFC 00/12] module: avoid userspace pressure on unwanted allocations | From | David Hildenbrand <> |
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On 17.03.23 00:56, Luis Chamberlain wrote: > On Thu, Mar 16, 2023 at 04:55:31PM -0700, Luis Chamberlain wrote: >> On Wed, Mar 15, 2023 at 05:41:53PM +0100, David Hildenbrand wrote: >>> I expect to have a machine (with a crazy number of CPUs/devices) available >>> in a couple of days (1-2), so no need to rush. >>> >>> The original machine I was able to reproduce with is blocked for a little >>> bit longer; so I hope the alternative I looked up will similarly trigger the >>> issue easily. >> >> OK give this a spin: >> >> https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git/log/?h=20230316-module-alloc-opts >> >> I'm seeing about ~86 MiB saving on the upper bound on memory usage >> while hammering on kmod test 0008, and this is on a small system. >> >> Probably won't help *that* much but am curious... if it helps somewhat. > > How much cpu count BTW?
220 physical ones and 440 virtual ones.
-- Thanks,
David / dhildenb
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