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From: Paul Menzel <pmenzel@molgen.mpg.de>
To: David Hildenbrand <david@redhat.com>
Cc: linux-mm@kvack.org, Arjan van de Ven <arjan@linux.intel.com>,
	Feng Tang <feng.tang@intel.com>
Subject: Re: Deferred Memory Init: How to bring rest of memory online after limiting it with `mem=XG`?
Date: Thu, 3 Dec 2020 13:52:43 +0100	[thread overview]
Message-ID: <8a395c1a-764b-9d82-0a12-b1a9254f8d53@molgen.mpg.de> (raw)
In-Reply-To: <808e493f-18a2-fe82-46b3-e44fe87e989c@redhat.com>

Dear David,


Thank you for the quick response.


Am 03.12.20 um 13:25 schrieb David Hildenbrand:
> On 03.12.20 11:51, Paul Menzel wrote:

>> I am trying to reduce the startup time of Debian’s Linux 5.9.9 on a
>> Intel Kaby Lake system with 32 GB of memory (TUXEDO Book BU1406 (Clevo
>> N240BU)).

[…]

> We do have deferred meminit in the kernel during boot that can
> initialize memory in parallel.

Is that used automatically, or do I need to activate it somehow?


Kind regards,

Paul


  reply	other threads:[~2020-12-03 12:52 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-03 10:51 Deferred Memory Init: How to bring rest of memory online after limiting it with `mem=XG`? Paul Menzel
2020-12-03 12:25 ` David Hildenbrand
2020-12-03 12:52   ` Paul Menzel [this message]
2020-12-03 13:06     ` David Hildenbrand
2020-12-03 20:58       ` Daniel Jordan
2020-12-04  7:31         ` Paul Menzel
2020-12-04 19:50           ` Daniel Jordan
2020-12-04  1:17   ` Feng Tang
2020-12-04  8:05 ` Feng Tang

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