From: Eric B Munson <emunson@mgebm.net>
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>,
akpm@osdl.org, Mel Gorman <mel@csn.ul.ie>,
Johannes Weiner <hannes@cmpxchg.org>
Subject: Re: [PATCH 4/5] teach smaps_pte_range() about THP pmds
Date: Wed, 23 Feb 2011 10:31:04 -0500 [thread overview]
Message-ID: <20110223153104.GD2810@mgebm.net> (raw)
In-Reply-To: <20110222015343.41586948@kernel>
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On Mon, 21 Feb 2011, Dave Hansen wrote:
>
> v2 - used mm->page_table_lock to fix up locking bug that
> Mel pointed out. Also remove Acks since things
> got changed significantly.
>
> 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/$pid/smaps now will no longer
> cause THPs to be broken down in to small pages.
>
> Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
Reviewed-and-tested-by: Eric B Munson <emunson@mgebm.net>
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next prev parent reply other threads:[~2011-02-23 15:31 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-22 1:53 [PATCH 0/5] fix up /proc/$pid/smaps to not split huge pages Dave Hansen
2011-02-22 1:53 ` Dave Hansen
2011-02-22 1:53 ` [PATCH 1/5] pagewalk: only split huge pages when necessary Dave Hansen
2011-02-22 1:53 ` Dave Hansen
2011-02-22 21:21 ` David Rientjes
2011-02-22 21:21 ` David Rientjes
2011-02-23 15:30 ` Eric B Munson
2011-02-22 1:53 ` [PATCH 2/5] break out smaps_pte_entry() from smaps_pte_range() Dave Hansen
2011-02-22 1:53 ` Dave Hansen
2011-02-22 21:21 ` David Rientjes
2011-02-22 21:21 ` David Rientjes
2011-02-23 15:30 ` Eric B Munson
2011-02-22 1:53 ` [PATCH 3/5] pass pte size argument in to smaps_pte_entry() Dave Hansen
2011-02-22 1:53 ` Dave Hansen
2011-02-22 21:21 ` David Rientjes
2011-02-22 21:21 ` David Rientjes
2011-02-23 15:30 ` Eric B Munson
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 [this message]
2011-02-22 1:53 ` [PATCH 5/5] have smaps show transparent huge pages Dave Hansen
2011-02-22 1:53 ` Dave Hansen
2011-02-23 15:31 ` Eric B Munson
-- strict thread matches above, loose matches on Subject: below --
2011-02-09 19:54 [PATCH 0/5] fix up /proc/$pid/smaps to not split " Dave Hansen
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
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
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