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From: Tomasz Figa <tomasz.figa@gmail.com>
To: Subash Patel <subashrp@gmail.com>
Cc: Olof Johansson <olof@lixom.net>,
	linux-samsung-soc@vger.kernel.org,
	Kukjin Kim <kgene.kim@samsung.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: dts: fix split memory bank for SSDK5440
Date: Fri, 21 Dec 2012 00:18:39 +0100	[thread overview]
Message-ID: <3158118.uctD3XVWRG@flatron> (raw)
In-Reply-To: <50D38F04.8020307@gmail.com>

Hi Subash,

On Thursday 20 of December 2012 14:19:48 Subash Patel wrote:
> I would like to ask a question here. Do we need to have sparse even if
> the physical memory is contiguous? All the recent exynos machines come
> with physical banks without any holes, and I am thinking why not drop it
> and use flat mem instead. With LPAE these sections sizes wont be useful,
> and I dont like to keep different section sizes for different
> configurations. Any suggestions/opinions are very much helpful to me.

Since sparse memory is the only option available on Exynos currently in 
kernel configuration, I assume there was a reason for it. However I am not 
an expert in memory management, so please correct me if I am wrong.

Best regards,
Tomasz Figa

WARNING: multiple messages have this Message-ID (diff)
From: tomasz.figa@gmail.com (Tomasz Figa)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: dts: fix split memory bank for SSDK5440
Date: Fri, 21 Dec 2012 00:18:39 +0100	[thread overview]
Message-ID: <3158118.uctD3XVWRG@flatron> (raw)
In-Reply-To: <50D38F04.8020307@gmail.com>

Hi Subash,

On Thursday 20 of December 2012 14:19:48 Subash Patel wrote:
> I would like to ask a question here. Do we need to have sparse even if
> the physical memory is contiguous? All the recent exynos machines come
> with physical banks without any holes, and I am thinking why not drop it
> and use flat mem instead. With LPAE these sections sizes wont be useful,
> and I dont like to keep different section sizes for different
> configurations. Any suggestions/opinions are very much helpful to me.

Since sparse memory is the only option available on Exynos currently in 
kernel configuration, I assume there was a reason for it. However I am not 
an expert in memory management, so please correct me if I am wrong.

Best regards,
Tomasz Figa

  reply	other threads:[~2012-12-20 23:18 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-20 19:03 [PATCH] ARM: dts: fix split memory bank for SSDK5440 Kukjin Kim
2012-12-20 19:03 ` Kukjin Kim
2012-12-20 19:56 ` Olof Johansson
2012-12-20 19:56   ` Olof Johansson
2012-12-20 21:14   ` Tomasz Figa
2012-12-20 21:14     ` Tomasz Figa
2012-12-20 22:19     ` Subash Patel
2012-12-20 22:19       ` Subash Patel
2012-12-20 23:18       ` Tomasz Figa [this message]
2012-12-20 23:18         ` Tomasz Figa
2012-12-21  0:43         ` Kukjin Kim
2012-12-21  0:43           ` Kukjin Kim
2012-12-20 23:41     ` Russell King - ARM Linux
2012-12-20 23:41       ` Russell King - ARM Linux
2012-12-21  0:32       ` Kukjin Kim
2012-12-21  0:32         ` Kukjin Kim
2012-12-21  0:35         ` Olof Johansson
2012-12-21  0:35           ` Olof Johansson
2012-12-21  0:56           ` Cho KyongHo
2012-12-21  0:56             ` Cho KyongHo

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