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From: Roland Dreier <rdreier@cisco.com>
To: wli@movementarian.org
Cc: linuxppc-dev@ozlabs.org,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org, Eli Cohen <eli@mellanox.co.il>
Subject: Re: FW: [PATCH] powerpc/mm: Export HPAGE_SHIFT
Date: Wed, 04 Feb 2009 13:31:43 -0800	[thread overview]
Message-ID: <adazlh1lwhs.fsf@cisco.com> (raw)
In-Reply-To: <20090204210037.GC10229@movementarian.org> (wli@movementarian.org's message of "Wed, 4 Feb 2009 16:00:37 -0500")

 > You should be able to find the head of a compound page using the
 > compound_head() inline, so try

 > 	PAGE_SIZE << compound_order(compound_head(page))

Thanks!  Looks like that should be exactly what we need.

 - R.

WARNING: multiple messages have this Message-ID (diff)
From: Roland Dreier <rdreier@cisco.com>
To: wli@movementarian.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Eli Cohen <eli@mellanox.co.il>,
	linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org
Subject: Re: FW: [PATCH] powerpc/mm: Export HPAGE_SHIFT
Date: Wed, 04 Feb 2009 13:31:43 -0800	[thread overview]
Message-ID: <adazlh1lwhs.fsf@cisco.com> (raw)
In-Reply-To: <20090204210037.GC10229@movementarian.org> (wli@movementarian.org's message of "Wed, 4 Feb 2009 16:00:37 -0500")

 > You should be able to find the head of a compound page using the
 > compound_head() inline, so try

 > 	PAGE_SIZE << compound_order(compound_head(page))

Thanks!  Looks like that should be exactly what we need.

 - R.

  reply	other threads:[~2009-02-04 21:33 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-03 16:49 [PATCH] powerpc/mm: Export HPAGE_SHIFT Eli Cohen
2009-02-04  1:08 ` FW: " Roland Dreier
2009-02-04  1:08   ` Roland Dreier
2009-02-04  1:50   ` Benjamin Herrenschmidt
2009-02-04  5:13     ` Andrew Morton
2009-02-04  5:13       ` Andrew Morton
2009-02-04  5:31       ` Nick Piggin
2009-02-04  5:31         ` Nick Piggin
2009-02-04  6:17         ` wli
2009-02-04  6:17           ` wli
2009-02-04  6:16       ` Roland Dreier
2009-02-04  6:16         ` Roland Dreier
2009-02-04  6:26         ` Andrew Morton
2009-02-04  6:26           ` Andrew Morton
2009-02-04 19:11           ` Roland Dreier
2009-02-04 19:11             ` Roland Dreier
2009-02-04 21:00             ` wli
2009-02-04 21:00               ` wli
2009-02-04 21:31               ` Roland Dreier [this message]
2009-02-04 21:31                 ` Roland Dreier
2009-02-04 21:23             ` Andrew Morton
2009-02-04 21:23               ` Andrew Morton
2009-02-04 23:55             ` Benjamin Herrenschmidt
2009-02-04 23:55               ` Benjamin Herrenschmidt
2009-02-05  5:10               ` Roland Dreier
2009-02-05  5:10                 ` Roland Dreier
2009-02-05  5:24                 ` Benjamin Herrenschmidt
2009-02-05  5:24                   ` Benjamin Herrenschmidt
2009-02-05  5:33                   ` Roland Dreier
2009-02-05  5:33                     ` Roland Dreier

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