From: Greg KH <gregkh@linuxfoundation.org>
To: linux-hotplug@vger.kernel.org
Subject: Re: reserve memory
Date: Mon, 16 Jul 2018 17:48:43 +0000 [thread overview]
Message-ID: <20180716174843.GC8555@kroah.com> (raw)
In-Reply-To: <CAJ2oMhJHYVG3mypArk44h4_k_KLgccx60HUW48+84hDU7z41gQ@mail.gmail.com>
On Mon, Jul 16, 2018 at 03:41:05PM +0300, Ran Shalit wrote:
> Hello,
>
> When doing :
> echo 1 > /sys/bus/pci/rescan
Eeek, don't do that unless you _REALLY_ have no other option.
> Does it results in memory allocation for the new added device ?
It depends. It depends in your platform and what you mean exactly by
"memory allocation".
> Is it that by adding "pci=hpmemsize" we can reserve the memory for the
> hot-plug device ? ( So, that there is no dynamic allocation in runtime
> )
I don't know, you should ask this on the linux-pci mailing list as that
is where the developers who added this are at.
good luck!
greg k-h
next prev parent reply other threads:[~2018-07-16 17:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-16 12:41 reserve memory Ran Shalit
2018-07-16 17:48 ` Greg KH [this message]
2018-07-17 5:15 ` Ran Shalit
2018-07-17 6:59 ` Greg KH
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