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From: Dan Malek <dan@embeddededge.com>
To: Tom Rini <trini@kernel.crashing.org>
Cc: linuxppc-embedded@lists.linuxppc.org,
	Paul Mackerras <paulus@samba.org>,
	David Gibson <david@gibson.dropbear.id.au>
Subject: Re: consistent_free()
Date: Fri, 14 Jun 2002 17:34:25 -0400	[thread overview]
Message-ID: <3D0A6161.2080804@embeddededge.com> (raw)
In-Reply-To: 20020614171035.GM13541@opus.bloom.county


Tom Rini wrote:

> I'm not sure either.  __iounmap on ARM just is vfree() with the casts.

The issue is in consistent_free() they forcibly reset the Reserved
indicator on the pages.  I don't know why this is necessary.  It's
either due to the way they remap the pages during the allocation or
some change in the Linux VM that I haven't yet discovered :-)


	-- Dan


** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/

  reply	other threads:[~2002-06-14 21:34 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-06-14  4:29 consistent_free() David Gibson
2002-06-14  5:57 ` consistent_free() David Gibson
2002-06-24  2:15   ` consistent_free() David Gibson
2002-06-25 14:39     ` consistent_free() Tom Rini
2002-06-26  5:17       ` consistent_free() David Gibson
2002-06-26  5:33         ` consistent_free() Dan Malek
2002-06-26  5:59           ` consistent_free() David Gibson
2002-06-26 14:32         ` consistent_free() Paul Mackerras
2002-06-27  2:42           ` consistent_free() David Gibson
2002-06-14 15:39 ` consistent_free() Tom Rini
2002-06-14 16:44   ` consistent_free() Dan Malek
2002-06-14 17:10     ` consistent_free() Tom Rini
2002-06-14 21:34       ` Dan Malek [this message]
2002-06-15  6:11     ` consistent_free() Paul Mackerras
2002-06-15  6:42       ` consistent_free() Dan Malek
2002-06-15 10:02         ` consistent_free() Paul Mackerras
2002-06-15 13:51           ` consistent_free() Dan Malek
2002-06-15  6:02   ` consistent_free() Paul Mackerras
2002-06-15  6:27     ` consistent_free() Dan Malek
2002-06-15  6:57       ` consistent_free() David Gibson

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