From: Daniel Drake <drake@endlessm.com>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org,
linaro-mm-sig@lists.linaro.org,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Russell King - ARM Linux <linux@arm.linux.org.uk>,
Andrew Morton <akpm@linux-foundation.org>,
Michal Nazarewicz <mina86@mina86.com>
Subject: Re: [PATCH 2/2] ARM: mm: don't limit default CMA region only to low memory
Date: Thu, 21 Aug 2014 10:26:30 +0100 [thread overview]
Message-ID: <CAD8Lp44MHLv_C0SscRAxq_09Ux+Uz=9B3KvDKvUkamBenoSm=Q@mail.gmail.com> (raw)
In-Reply-To: <1408610714-16204-3-git-send-email-m.szyprowski@samsung.com>
Hi Marek,
On Thu, Aug 21, 2014 at 9:45 AM, Marek Szyprowski
<m.szyprowski@samsung.com> wrote:
> DMA-mapping supports CMA regions places either in low or high memory, so
> there is no longer needed to limit default CMA regions only to low memory.
> The real limit is still defined by architecture specific DMA limit.
Thanks for working on this!
I think you need to update the comment here though, which still says:
/*
* reserve memory for DMA contigouos allocations,
* must come from DMA area inside low memory
*/
If you're making a second version, as a minor nitpick you could also
s/places/placed in the commit message.
Daniel
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next prev parent reply other threads:[~2014-08-21 9:26 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-21 8:45 [PATCH 0/2] ARM: Remove lowmem limit for default CMA region Marek Szyprowski
2014-08-21 8:45 ` [PATCH 1/2] mm: cma: adjust address limit to avoid hitting low/high memory boundary Marek Szyprowski
2014-08-24 13:34 ` Michal Nazarewicz
2014-08-21 8:45 ` [PATCH 2/2] ARM: mm: don't limit default CMA region only to low memory Marek Szyprowski
2014-08-21 9:26 ` Daniel Drake [this message]
2014-08-24 13:34 ` Michal Nazarewicz
2014-08-25 1:26 ` [PATCH 0/2] ARM: Remove lowmem limit for default CMA region Minchan Kim
2014-08-25 8:00 ` Marek Szyprowski
2014-08-25 8:18 ` Minchan Kim
2014-08-25 8:33 ` Marek Szyprowski
2014-08-26 2:43 ` Minchan Kim
2014-08-26 12:34 ` Marek Szyprowski
2014-08-27 0:36 ` Minchan Kim
2014-08-27 1:42 ` Joonsoo Kim
2014-08-27 2:57 ` Minchan Kim
2014-08-26 23:10 ` Andrew Morton
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