From: Arjan van de Ven <arjan@linux.intel.com>
To: Christoph Lameter <clameter@sgi.com>
Cc: "Keshavamurthy, Anil S" <anil.s.keshavamurthy@intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, ak@suse.de, gregkh@suse.de,
muli@il.ibm.com, asit.k.mallick@intel.com,
suresh.b.siddha@intel.com, ashok.raj@intel.com,
shaohua.li@intel.com, davem@davemloft.net
Subject: Re: [Intel-IOMMU 02/10] Library routine for pre-allocat pool handling
Date: Sun, 10 Jun 2007 09:38:45 -0700 [thread overview]
Message-ID: <466C2915.3080706@linux.intel.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0706081553030.4332@schroedinger.engr.sgi.com>
Christoph Lameter wrote:
> On Fri, 8 Jun 2007, Keshavamurthy, Anil S wrote:
>
>>> What functionality are you missing in the page allocator? It seems that is
>>> does what you want?
>> Humm..I basically want to allocate memory during interrupt context and
>> expect not to fail. I know this is a hard requirement :)
>
> The page allocator can do that for you. The reserves are configurable. Not
> failing is a thing unseen in the computer world.
but the page allocator reserve is shared.. and you will need this one
EXACTLY when the shared pool is getting low... it's not an
uncorrelated thing!
next prev parent reply other threads:[~2007-06-10 16:40 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-06 18:56 [Intel-IOMMU 00/10] Intel IOMMU Support anil.s.keshavamurthy
2007-06-06 18:56 ` [Intel-IOMMU 01/10] DMAR detection and parsing logic anil.s.keshavamurthy
2007-06-06 18:57 ` [Intel-IOMMU 02/10] Library routine for pre-allocat pool handling anil.s.keshavamurthy
2007-06-07 23:27 ` Andrew Morton
2007-06-08 18:21 ` Keshavamurthy, Anil S
2007-06-08 19:01 ` Andrew Morton
2007-06-08 20:12 ` Keshavamurthy, Anil S
2007-06-08 20:40 ` Siddha, Suresh B
2007-06-08 20:44 ` Andrew Morton
2007-06-08 22:33 ` Christoph Lameter
2007-06-08 22:49 ` Keshavamurthy, Anil S
2007-06-08 20:43 ` Andreas Kleen
2007-06-08 20:55 ` Andrew Morton
2007-06-08 22:31 ` Andi Kleen
2007-06-08 21:20 ` Keshavamurthy, Anil S
2007-06-08 21:42 ` Andrew Morton
2007-06-08 22:17 ` Arjan van de Ven
2007-06-08 22:18 ` Siddha, Suresh B
2007-06-08 22:38 ` Christoph Lameter
2007-06-08 22:36 ` Christoph Lameter
2007-06-08 22:56 ` Andi Kleen
2007-06-08 22:59 ` Christoph Lameter
2007-06-09 9:47 ` Andi Kleen
2007-06-11 20:44 ` Keshavamurthy, Anil S
2007-06-11 21:14 ` Andrew Morton
2007-06-11 9:46 ` Ashok Raj
2007-06-11 22:16 ` Andi Kleen
2007-06-11 23:28 ` Christoph Lameter
2007-06-11 23:52 ` Keshavamurthy, Anil S
2007-06-12 0:30 ` Andrew Morton
2007-06-12 1:10 ` Arjan van de Ven
2007-06-12 1:30 ` Christoph Lameter
2007-06-12 1:35 ` Andrew Morton
2007-06-12 1:55 ` Arjan van de Ven
2007-06-12 2:08 ` Siddha, Suresh B
2007-06-13 18:40 ` Matt Mackall
2007-06-13 19:04 ` Andi Kleen
2007-06-12 0:38 ` Christoph Lameter
2007-06-11 21:29 ` Christoph Lameter
2007-06-11 21:40 ` Keshavamurthy, Anil S
2007-06-11 22:25 ` Andi Kleen
2007-06-11 11:29 ` Ashok Raj
2007-06-11 23:15 ` Keshavamurthy, Anil S
2007-06-08 22:32 ` Christoph Lameter
2007-06-08 22:45 ` Keshavamurthy, Anil S
2007-06-08 22:55 ` Christoph Lameter
2007-06-10 16:38 ` Arjan van de Ven [this message]
2007-06-11 16:10 ` Christoph Lameter
2007-06-06 18:57 ` [Intel-IOMMU 03/10] PCI generic helper function anil.s.keshavamurthy
2007-06-06 18:57 ` [Intel-IOMMU 04/10] clflush_cache_range now takes size param anil.s.keshavamurthy
2007-06-06 18:57 ` [Intel-IOMMU 05/10] IOVA allocation and management routines anil.s.keshavamurthy
2007-06-07 23:34 ` Andrew Morton
2007-06-08 18:25 ` Keshavamurthy, Anil S
2007-06-06 18:57 ` [Intel-IOMMU 06/10] Intel IOMMU driver anil.s.keshavamurthy
2007-06-07 23:57 ` Andrew Morton
2007-06-08 22:30 ` Christoph Lameter
2007-06-13 20:20 ` Keshavamurthy, Anil S
2007-06-06 18:57 ` [Intel-IOMMU 07/10] Intel iommu cmdline option - forcedac anil.s.keshavamurthy
2007-06-07 23:58 ` Andrew Morton
2007-06-06 18:57 ` [Intel-IOMMU 08/10] DMAR fault handling support anil.s.keshavamurthy
2007-06-06 18:57 ` [Intel-IOMMU 09/10] Iommu Gfx workaround anil.s.keshavamurthy
2007-06-08 0:01 ` Andrew Morton
2007-06-06 18:57 ` [Intel-IOMMU 10/10] Iommu floppy workaround anil.s.keshavamurthy
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