From: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
To: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.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 4/4] pagemap: document KPF_THP and make page-types aware of it
Date: Thu, 29 Dec 2011 23:02:25 -0500 [thread overview]
Message-ID: <4EFD37D1.9040201@gmail.com> (raw)
In-Reply-To: <1324506228-18327-5-git-send-email-n-horiguchi@ah.jp.nec.com>
(12/21/11 5:23 PM), Naoya Horiguchi wrote:
> page-types, which is a common user of pagemap, gets aware of thp
> with this patch. This helps system admins and kernel hackers know
> about how thp works.
> Here is a sample output of page-types over a thp:
>
> $ page-types -p<pid> --raw --list
>
> voffset offset len flags
> ...
> 7f9d40200 3f8400 1 ___U_lA____Ma_bH______t____________
> 7f9d40201 3f8401 1ff ________________T_____t____________
>
> flags page-count MB symbolic-flags long-symbolic-flags
> 0x0000000000410000 511 1 ________________T_____t____________ compound_tail,thp
> 0x000000000040d868 1 0 ___U_lA____Ma_bH______t____________ uptodate,lru,active,mmap,anonymous,swapbacked,compound_head,thp
>
> Signed-off-by: Naoya Horiguchi<n-horiguchi@ah.jp.nec.com>
> Acked-by: Wu Fengguang<fengguang.wu@intel.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
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WARNING: multiple messages have this Message-ID (diff)
From: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
To: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.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 4/4] pagemap: document KPF_THP and make page-types aware of it
Date: Thu, 29 Dec 2011 23:02:25 -0500 [thread overview]
Message-ID: <4EFD37D1.9040201@gmail.com> (raw)
In-Reply-To: <1324506228-18327-5-git-send-email-n-horiguchi@ah.jp.nec.com>
(12/21/11 5:23 PM), Naoya Horiguchi wrote:
> page-types, which is a common user of pagemap, gets aware of thp
> with this patch. This helps system admins and kernel hackers know
> about how thp works.
> Here is a sample output of page-types over a thp:
>
> $ page-types -p<pid> --raw --list
>
> voffset offset len flags
> ...
> 7f9d40200 3f8400 1 ___U_lA____Ma_bH______t____________
> 7f9d40201 3f8401 1ff ________________T_____t____________
>
> flags page-count MB symbolic-flags long-symbolic-flags
> 0x0000000000410000 511 1 ________________T_____t____________ compound_tail,thp
> 0x000000000040d868 1 0 ___U_lA____Ma_bH______t____________ uptodate,lru,active,mmap,anonymous,swapbacked,compound_head,thp
>
> Signed-off-by: Naoya Horiguchi<n-horiguchi@ah.jp.nec.com>
> Acked-by: Wu Fengguang<fengguang.wu@intel.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
next prev parent reply other threads:[~2011-12-30 4:02 UTC|newest]
Thread overview: 42+ 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 ` Naoya Horiguchi
2011-12-21 22:23 ` [PATCH 1/4] pagemap: avoid splitting thp when reading /proc/pid/pagemap Naoya Horiguchi
2011-12-21 22:23 ` Naoya Horiguchi
2011-12-26 8:26 ` KAMEZAWA Hiroyuki
2011-12-26 8:26 ` KAMEZAWA Hiroyuki
2011-12-30 3:39 ` KOSAKI Motohiro
2011-12-30 3:39 ` KOSAKI Motohiro
2012-01-03 20:07 ` Naoya Horiguchi
2012-01-03 20:07 ` Naoya Horiguchi
2012-01-03 21:06 ` KOSAKI Motohiro
2012-01-03 21:06 ` KOSAKI Motohiro
2012-01-03 21:31 ` Naoya Horiguchi
2012-01-03 21:31 ` Naoya Horiguchi
2012-01-04 23:50 ` Andrew Morton
2012-01-04 23:50 ` Andrew Morton
2012-01-05 16:28 ` Naoya Horiguchi
2012-01-05 16:28 ` Naoya Horiguchi
2011-12-21 22:23 ` [PATCH 2/4] thp: optimize away unnecessary page table locking Naoya Horiguchi
2011-12-21 22:23 ` Naoya Horiguchi
2011-12-22 13:04 ` Hillf Danton
2011-12-22 16:01 ` Naoya Horiguchi
2011-12-30 3:59 ` KOSAKI Motohiro
2011-12-30 3:59 ` KOSAKI Motohiro
2012-01-03 20:08 ` Naoya Horiguchi
2012-01-03 20:08 ` Naoya Horiguchi
2011-12-21 22:23 ` [PATCH 3/4] pagemap: export KPF_THP Naoya Horiguchi
2011-12-21 22:23 ` Naoya Horiguchi
2011-12-26 8:40 ` KAMEZAWA Hiroyuki
2011-12-26 8:40 ` KAMEZAWA Hiroyuki
2011-12-30 4:01 ` KOSAKI Motohiro
2011-12-30 4:01 ` KOSAKI Motohiro
2012-01-04 23:55 ` Andrew Morton
2012-01-04 23:55 ` Andrew Morton
2011-12-21 22:23 ` [PATCH 4/4] pagemap: document KPF_THP and make page-types aware of it Naoya Horiguchi
2011-12-21 22:23 ` Naoya Horiguchi
2011-12-26 8:42 ` KAMEZAWA Hiroyuki
2011-12-26 8:42 ` KAMEZAWA Hiroyuki
2011-12-30 4:02 ` KOSAKI Motohiro [this message]
2011-12-30 4:02 ` KOSAKI Motohiro
2012-01-04 23:57 ` Andrew Morton
2012-01-04 23:57 ` Andrew Morton
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