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From: Dan Malek <dan@embeddededge.com>
To: Paul Mackerras <paulus@samba.org>
Cc: Tom Rini <trini@kernel.crashing.org>,
	linuxppc-embedded@lists.linuxppc.org,
	David Gibson <david@gibson.dropbear.id.au>
Subject: Re: consistent_free()
Date: Sat, 15 Jun 2002 09:51:11 -0400	[thread overview]
Message-ID: <3D0B464F.1050101@embeddededge.com> (raw)
In-Reply-To: 15627.4284.922612.834048@argo.ozlabs.ibm.com


Paul Mackerras wrote:

> implied to me that if you wanted 40kB it only allocated 10 pages, not
> 16, but in fact it sounds like the ARM implementation will actually
> allocate 16 pages too.

The current ARM implementation (that I want to copy again) :-) will
first allocate the 16 pages using alloc_pages().  It will then return
six pages from the end of the allocation back to the free pool.  This
is the only way you can get an arbitrary number of contiguous pages.


	-- Dan


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

  reply	other threads:[~2002-06-15 13:51 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       ` consistent_free() Dan Malek
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           ` Dan Malek [this message]
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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