From: Andrew Morton <akpm@linux-foundation.org>
To: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: linux-mm@kvack.org, David Rientjes <rientjes@google.com>,
Andi Kleen <andi@firstfloor.org>,
Wu Fengguang <fengguang.wu@intel.com>,
Andrea Arcangeli <aarcange@redhat.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/4] pagemap: export KPF_THP
Date: Wed, 4 Jan 2012 15:55:16 -0800 [thread overview]
Message-ID: <20120104155516.19535dc3.akpm@linux-foundation.org> (raw)
In-Reply-To: <1324506228-18327-4-git-send-email-n-horiguchi@ah.jp.nec.com>
On Wed, 21 Dec 2011 17:23:47 -0500
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> wrote:
> This flag shows that a given pages is a subpage of transparent hugepage.
> It helps us debug and test kernel by showing physical address of thp.
>
> ...
>
> --- 3.2-rc5.orig/include/linux/kernel-page-flags.h
> +++ 3.2-rc5/include/linux/kernel-page-flags.h
> @@ -30,6 +30,7 @@
> #define KPF_NOPAGE 20
>
> #define KPF_KSM 21
> +#define KPF_THP 22
>
Please also update and test Documentation/vm/page-types.c.
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next prev parent reply other threads:[~2012-01-04 23:55 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-21 22:23 [PATCH 0/4 v2] pagemap handles transparent hugepage Naoya Horiguchi
2011-12-21 22:23 ` [PATCH 1/4] pagemap: avoid splitting thp when reading /proc/pid/pagemap Naoya Horiguchi
2011-12-26 8:26 ` KAMEZAWA Hiroyuki
2011-12-30 3:39 ` KOSAKI Motohiro
2012-01-03 20:07 ` Naoya Horiguchi
2012-01-03 21:06 ` KOSAKI Motohiro
2012-01-03 21:31 ` Naoya Horiguchi
2012-01-04 23:50 ` Andrew Morton
2012-01-05 16:28 ` Naoya Horiguchi
2011-12-21 22:23 ` [PATCH 2/4] thp: optimize away unnecessary page table locking Naoya Horiguchi
2011-12-22 13:04 ` Hillf Danton
2011-12-22 16:01 ` Naoya Horiguchi
2011-12-30 3:59 ` KOSAKI Motohiro
2012-01-03 20:08 ` Naoya Horiguchi
2011-12-21 22:23 ` [PATCH 3/4] pagemap: export KPF_THP Naoya Horiguchi
2011-12-26 8:40 ` KAMEZAWA Hiroyuki
2011-12-30 4:01 ` KOSAKI Motohiro
2012-01-04 23:55 ` Andrew Morton [this message]
2011-12-21 22:23 ` [PATCH 4/4] pagemap: document KPF_THP and make page-types aware of it Naoya Horiguchi
2011-12-26 8:42 ` KAMEZAWA Hiroyuki
2011-12-30 4:02 ` KOSAKI Motohiro
2012-01-04 23:57 ` Andrew Morton
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