From: Mel Gorman <mel@csn.ul.ie>
To: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Michael J Wolf <mjwolf@us.ibm.com>,
Andrea Arcangeli <aarcange@redhat.com>,
Johannes Weiner <hannes@cmpxchg.org>,
David Rientjes <rientjes@google.com>
Subject: Re: [PATCH 4/5] teach smaps_pte_range() about THP pmds
Date: Thu, 10 Feb 2011 11:17:36 +0000 [thread overview]
Message-ID: <20110210111736.GF17873@csn.ul.ie> (raw)
In-Reply-To: <20110209195411.816D55A7@kernel>
On Wed, Feb 09, 2011 at 11:54:11AM -0800, Dave Hansen wrote:
>
> This adds code to explicitly detect and handle
> pmd_trans_huge() pmds. It then passes HPAGE_SIZE units
> in to the smap_pte_entry() function instead of PAGE_SIZE.
>
> This means that using /proc/$pid/smaps now will no longer
> cause THPs to be broken down in to small pages.
>
> Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
> Acked-by: Johannes Weiner <hannes@cmpxchg.org>
> Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
--
Mel Gorman
SUSE Labs
WARNING: multiple messages have this Message-ID (diff)
From: Mel Gorman <mel@csn.ul.ie>
To: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Michael J Wolf <mjwolf@us.ibm.com>,
Andrea Arcangeli <aarcange@redhat.com>,
Johannes Weiner <hannes@cmpxchg.org>,
David Rientjes <rientjes@google.com>
Subject: Re: [PATCH 4/5] teach smaps_pte_range() about THP pmds
Date: Thu, 10 Feb 2011 11:17:36 +0000 [thread overview]
Message-ID: <20110210111736.GF17873@csn.ul.ie> (raw)
In-Reply-To: <20110209195411.816D55A7@kernel>
On Wed, Feb 09, 2011 at 11:54:11AM -0800, Dave Hansen wrote:
>
> This adds code to explicitly detect and handle
> pmd_trans_huge() pmds. It then passes HPAGE_SIZE units
> in to the smap_pte_entry() function instead of PAGE_SIZE.
>
> This means that using /proc/$pid/smaps now will no longer
> cause THPs to be broken down in to small pages.
>
> Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
> Acked-by: Johannes Weiner <hannes@cmpxchg.org>
> Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
--
Mel Gorman
SUSE Labs
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next prev parent reply other threads:[~2011-02-10 11:18 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-09 19:54 [PATCH 0/5] fix up /proc/$pid/smaps to not split huge pages Dave Hansen
2011-02-09 19:54 ` Dave Hansen
2011-02-09 19:54 ` [PATCH 1/5] pagewalk: only split huge pages when necessary Dave Hansen
2011-02-09 19:54 ` Dave Hansen
2011-02-10 11:11 ` Mel Gorman
2011-02-10 11:11 ` Mel Gorman
2011-02-10 13:19 ` Andrea Arcangeli
2011-02-10 13:19 ` Andrea Arcangeli
2011-02-10 13:34 ` Mel Gorman
2011-02-10 13:34 ` Mel Gorman
2011-02-09 19:54 ` [PATCH 2/5] break out smaps_pte_entry() from smaps_pte_range() Dave Hansen
2011-02-09 19:54 ` Dave Hansen
2011-02-10 11:15 ` Mel Gorman
2011-02-10 11:15 ` Mel Gorman
2011-02-09 19:54 ` [PATCH 3/5] pass pte size argument in to smaps_pte_entry() Dave Hansen
2011-02-09 19:54 ` Dave Hansen
2011-02-10 11:16 ` Mel Gorman
2011-02-10 11:16 ` Mel Gorman
2011-02-09 19:54 ` [PATCH 4/5] teach smaps_pte_range() about THP pmds Dave Hansen
2011-02-09 19:54 ` Dave Hansen
2011-02-10 11:17 ` Mel Gorman [this message]
2011-02-10 11:17 ` Mel Gorman
2011-02-10 18:08 ` Andrea Arcangeli
2011-02-10 18:08 ` Andrea Arcangeli
2011-02-10 19:32 ` Dave Hansen
2011-02-10 19:32 ` Dave Hansen
2011-02-09 19:54 ` [PATCH 5/5] have smaps show transparent huge pages Dave Hansen
2011-02-09 19:54 ` Dave Hansen
2011-02-10 11:20 ` Mel Gorman
2011-02-10 11:20 ` Mel Gorman
2011-02-10 15:01 ` Dave Hansen
2011-02-10 15:01 ` Dave Hansen
2011-02-10 15:09 ` Mel Gorman
2011-02-10 15:09 ` Mel Gorman
2011-02-10 18:09 ` Andrea Arcangeli
2011-02-10 18:09 ` Andrea Arcangeli
2011-02-10 18:20 ` Dave Hansen
2011-02-10 18:20 ` Dave Hansen
2011-02-10 18:39 ` Andrea Arcangeli
2011-02-10 18:39 ` Andrea Arcangeli
2011-02-09 21:24 ` [PATCH 0/5] fix up /proc/$pid/smaps to not split " Andrea Arcangeli
2011-02-09 21:24 ` Andrea Arcangeli
2011-02-20 21:54 ` David Rientjes
2011-02-20 21:54 ` David Rientjes
2011-02-15 16:55 ` Eric B Munson
2011-02-15 17:01 ` Andrea Arcangeli
2011-02-15 17:01 ` Andrea Arcangeli
2011-02-15 17:05 ` Dave Hansen
2011-02-15 17:05 ` Dave Hansen
2011-02-15 18:00 ` Andrea Arcangeli
2011-02-15 18:00 ` Andrea Arcangeli
2011-02-22 1:53 Dave Hansen
2011-02-22 1:53 ` [PATCH 4/5] teach smaps_pte_range() about THP pmds Dave Hansen
2011-02-22 1:53 ` Dave Hansen
2011-02-22 13:35 ` Andrea Arcangeli
2011-02-22 13:35 ` Andrea Arcangeli
2011-02-22 21:22 ` David Rientjes
2011-02-22 21:22 ` David Rientjes
2011-02-23 15:31 ` Eric B Munson
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