From: Russell King <rmk@arm.linux.org.uk>
To: Dan Malek <dan@embeddededge.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: pci_alloc_consistent from interrupt == BAD
Date: Fri, 18 Jan 2002 21:55:15 +0000 [thread overview]
Message-ID: <20020118215515.K2059@flint.arm.linux.org.uk> (raw)
In-Reply-To: <20020118130209.J14725@altus.drgw.net> <3C4875DB.9080402@embeddededge.com> <20020118.123221.85715153.davem@redhat.com> <20020118212949.H2059@flint.arm.linux.org.uk> <3C4897BD.1080503@embeddededge.com>
In-Reply-To: <3C4897BD.1080503@embeddededge.com>; from dan@embeddededge.com on Fri, Jan 18, 2002 at 04:46:37PM -0500
(CC list trimmed)
On Fri, Jan 18, 2002 at 04:46:37PM -0500, Dan Malek wrote:
> Russell King wrote:
> > ..... The problem currently is
> > that there is no way for the page table allocation functions to know
> > that they should be using atomic and emergency pool memory allocations.
>
> Hmmm...I thought they already do this. I always assumed the gfp_flag passed
> into alloc_pages would find its way all of the way through the page table
> allocation as well. You just have to be ready to handle the case where
> it returns with an -ENOMEM :-).
I refer you to your nearest function prototype for pte_alloc_one()
rather than alloc_pages().
--
Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux
http://www.arm.linux.org.uk/personal/aboutme.html
next prev parent reply other threads:[~2002-01-18 21:55 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-18 19:02 pci_alloc_consistent from interrupt == BAD Troy Benjegerdes
2002-01-18 19:22 ` Dan Malek
2002-01-18 20:32 ` David S. Miller
2002-01-18 21:29 ` Russell King
2002-01-18 21:33 ` David S. Miller
2002-01-18 21:42 ` Russell King
2002-01-18 21:46 ` Dan Malek
2002-01-18 21:55 ` Russell King [this message]
2002-01-18 22:13 ` Dan Malek
2002-01-18 21:43 ` Dan Malek
2002-01-18 20:50 ` Gérard Roudier
[not found] ` <mailman.1011386221.24072.linux-kernel2news@redhat.com>
2002-01-21 23:52 ` Pete Zaitcev
2002-01-22 0:08 ` David S. Miller
2002-01-22 0:20 ` Pete Zaitcev
2002-01-18 20:21 ` Gérard Roudier
2002-01-18 20:38 ` David S. Miller
2002-01-18 21:07 ` Gérard Roudier
2002-01-18 21:13 ` David S. Miller
-- strict thread matches above, loose matches on Subject: below --
2002-01-19 17:21 David Brownell
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