From: Dave Hansen <dave.hansen@intel.com>
To: Masanari Iida <standby24x7@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org, lcapitulino@redhat.com
Subject: Re: [PATCH] Documentation: vm: Add 1GB large page support information
Date: Wed, 05 Nov 2014 07:31:16 -0800 [thread overview]
Message-ID: <545A42C4.6070908@intel.com> (raw)
In-Reply-To: <CALLJCT0fofgUaswpzt1iBqGS1u+fR8L=umwGpV=RG0SvO9TOJA@mail.gmail.com>
On 11/05/2014 07:21 AM, Masanari Iida wrote:
> Luiz, Dave,
> Thanks for comments.
>
> I understand that there are some exception cases which doesn't support 1G
> large pages on newer CPUs.
> I like Dave's example, at the same time I would like to add "pdpe1gb flag" in
> the document.
>
> For example, x86 CPUs normally support 4K and 2M (1G if pdpe1gb flag exist).
Is 1G supported on CPUs that have pdpe1gb and are running a 32-bit kernel?
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WARNING: multiple messages have this Message-ID (diff)
From: Dave Hansen <dave.hansen@intel.com>
To: Masanari Iida <standby24x7@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org, lcapitulino@redhat.com
Subject: Re: [PATCH] Documentation: vm: Add 1GB large page support information
Date: Wed, 05 Nov 2014 07:31:16 -0800 [thread overview]
Message-ID: <545A42C4.6070908@intel.com> (raw)
In-Reply-To: <CALLJCT0fofgUaswpzt1iBqGS1u+fR8L=umwGpV=RG0SvO9TOJA@mail.gmail.com>
On 11/05/2014 07:21 AM, Masanari Iida wrote:
> Luiz, Dave,
> Thanks for comments.
>
> I understand that there are some exception cases which doesn't support 1G
> large pages on newer CPUs.
> I like Dave's example, at the same time I would like to add "pdpe1gb flag" in
> the document.
>
> For example, x86 CPUs normally support 4K and 2M (1G if pdpe1gb flag exist).
Is 1G supported on CPUs that have pdpe1gb and are running a 32-bit kernel?
next prev parent reply other threads:[~2014-11-05 15:32 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-31 16:01 [PATCH] Documentation: vm: Add 1GB large page support information Masanari Iida
2014-10-31 16:01 ` Masanari Iida
2014-11-03 14:24 ` Luiz Capitulino
2014-11-03 14:24 ` Luiz Capitulino
2014-11-03 18:18 ` Dave Hansen
2014-11-03 18:18 ` Dave Hansen
2014-11-05 15:21 ` Masanari Iida
2014-11-05 15:21 ` Masanari Iida
2014-11-05 15:31 ` Dave Hansen [this message]
2014-11-05 15:31 ` Dave Hansen
2014-11-05 22:58 ` Andi Kleen
2014-11-05 22:58 ` Andi Kleen
2014-11-05 23:07 ` Dave Hansen
2014-11-05 23:07 ` Dave Hansen
2014-11-06 15:31 ` [PATCH/v2] " Masanari Iida
2014-11-06 15:31 ` Masanari Iida
2014-11-06 16:40 ` Luiz Capitulino
2014-11-06 16:40 ` Luiz Capitulino
2014-11-06 20:15 ` Jonathan Corbet
2014-11-06 20:15 ` Jonathan Corbet
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