From: Randy Dunlap <rdunlap@infradead.org>
To: sathnaga@linux.vnet.ibm.com, linux-doc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, kvm-ppc@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Jonathan Corbet <corbet@lwn.net>
Subject: Re: [PATCH V2] Doc: admin-guide: Add entry for kvm_cma_resv_ratio kernel param
Date: Mon, 21 Sep 2020 08:58:00 -0700 [thread overview]
Message-ID: <82d06ba5-592c-1f19-aaae-a1f7b4041c7f@infradead.org> (raw)
In-Reply-To: <20200921090220.14981-1-sathnaga@linux.vnet.ibm.com>
On 9/21/20 2:02 AM, sathnaga@linux.vnet.ibm.com wrote:
> From: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com>
>
> Add document entry for kvm_cma_resv_ratio kernel param which
> is used to alter the KVM contiguous memory allocation percentage
> for hash pagetable allocation used by hash mode PowerPC KVM guests.
>
> Cc: linux-kernel@vger.kernel.org
> Cc: kvm-ppc@vger.kernel.org
> Cc: linuxppc-dev@lists.ozlabs.org
> Cc: Paul Mackerras <paulus@samba.org>
> Cc: Michael Ellerman <mpe@ellerman.id.au>
> Cc: Jonathan Corbet <corbet@lwn.net>
> Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
> Signed-off-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com>
Hi,
> ---
>
> V2:
> Addressed review comments from Randy.
>
> V1: https://lkml.org/lkml/2020/9/16/72
In reply to V1, I didn't add a Reviewed-by: tag, but I can now.
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
> ---
> Documentation/admin-guide/kernel-parameters.txt | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index a1068742a6df..932ed45740c9 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -2258,6 +2258,14 @@
> [KVM,ARM] Allow use of GICv4 for direct injection of
> LPIs.
>
> + kvm_cma_resv_ratio=n [PPC]
> + Reserves given percentage from system memory area for
> + contiguous memory allocation for KVM hash pagetable
> + allocation.
> + By default it reserves 5% of total system memory.
> + Format: <integer>
> + Default: 5
> +
> kvm-intel.ept= [KVM,Intel] Disable extended page tables
> (virtualized MMU) support on capable Intel chips.
> Default is 1 (enabled)
>
thanks.
--
~Randy
next prev parent reply other threads:[~2020-09-21 15:58 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-21 9:02 [PATCH V2] Doc: admin-guide: Add entry for kvm_cma_resv_ratio kernel param sathnaga
2020-09-21 15:58 ` Randy Dunlap [this message]
2020-09-21 23:19 ` Paul Mackerras
2020-09-24 16:37 ` Jonathan Corbet
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=82d06ba5-592c-1f19-aaae-a1f7b4041c7f@infradead.org \
--to=rdunlap@infradead.org \
--cc=corbet@lwn.net \
--cc=kvm-ppc@vger.kernel.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=mpe@ellerman.id.au \
--cc=paulus@samba.org \
--cc=sathnaga@linux.vnet.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).