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Subject: Re: [PATCH][2.4] update ref counts on all allocated pages
From: "David S. Miller" <davem@redhat.com>
To: Matt Porter <porter@cox.net>
Cc: linux-kernel@vger.kernel.org
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On Tue, 2002-11-26 at 16:07, Matt Porter wrote:
> The following patch sets the ref count on all pages of an
> allocation.  This allows an allocation with order>0 to be freed
> via individual __free_page() calls within vfree().

If your pci_alloc_consistent implementation is doing something
strang, _it_ should be doing the per-page reference counts.

Don't make every caller eat this overhead.

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