From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alim Akhtar Subject: Re: [RFC PATCH] ARM: exynos_defconfig: Increase CONFIG_BLK_DEV_RAM_SIZE to 64K Date: Mon, 19 Oct 2015 17:25:13 +0530 Message-ID: <5624DA21.80702@samsung.com> References: <1445251715-9725-1-git-send-email-alim.akhtar@samsung.com> <5624D87D.4090901@osg.samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mailout4.samsung.com ([203.254.224.34]:35445 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750784AbbJSMEX (ORCPT ); Mon, 19 Oct 2015 08:04:23 -0400 Received: from epcpsbgr3.samsung.com (u143.gpu120.samsung.co.kr [203.254.230.143]) by mailout4.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0NWG02X6TUVAWEE0@mailout4.samsung.com> for linux-samsung-soc@vger.kernel.org; Mon, 19 Oct 2015 21:04:22 +0900 (KST) In-reply-to: <5624D87D.4090901@osg.samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Javier Martinez Canillas , linux-samsung-soc@vger.kernel.org Cc: kgene@kernel.org, k.kozlowski@samsung.com, linux-arm-kernel@lists.infradead.org Hi Javier, On 10/19/2015 05:18 PM, Javier Martinez Canillas wrote: > Hello Alim, > > On 10/19/2015 12:48 PM, Alim Akhtar wrote: >> CONFIG_BLK_DEV_RAM_SIZE is currently set to 8K, which is a bit on the >> smaller side, lets bump it up to 64K so that a bigger RAM_DISK can >> be used with defconfig. >> >> Signed-off-by: Alim Akhtar >> --- > > I agree that 8KiB is too small and that should be bumped, I'm also > not sure what the best size would be but 64KiB sounds reasonable > to me. So for this patch: > > Reviewed-by: Javier Martinez Canillas > Thanks >> Every time I build exynos_defconfig, I need to manually change RAM_SIZE >> to match my ramdisk image size. I am not sure what is the best ramdisk size >> might be, but bumping it to 64K might be a reasonable one. >> > > In case you are interested, I got some stats by doing grep on the ARM > defconfigs using this [0]. Of course the sizes depends on the platform > but just to have an idea about what sizes are more popular than others. > > SIZE COUNT > 1024 17 > 8192 43 > 10240 1 > 16384 20 > 20000 25 > 32768 36 > 65536 15 > This is informative. > [0]: http://hastebin.com/buqukimede.bash > > Best regards, > From mboxrd@z Thu Jan 1 00:00:00 1970 From: alim.akhtar@samsung.com (Alim Akhtar) Date: Mon, 19 Oct 2015 17:25:13 +0530 Subject: [RFC PATCH] ARM: exynos_defconfig: Increase CONFIG_BLK_DEV_RAM_SIZE to 64K In-Reply-To: <5624D87D.4090901@osg.samsung.com> References: <1445251715-9725-1-git-send-email-alim.akhtar@samsung.com> <5624D87D.4090901@osg.samsung.com> Message-ID: <5624DA21.80702@samsung.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Javier, On 10/19/2015 05:18 PM, Javier Martinez Canillas wrote: > Hello Alim, > > On 10/19/2015 12:48 PM, Alim Akhtar wrote: >> CONFIG_BLK_DEV_RAM_SIZE is currently set to 8K, which is a bit on the >> smaller side, lets bump it up to 64K so that a bigger RAM_DISK can >> be used with defconfig. >> >> Signed-off-by: Alim Akhtar >> --- > > I agree that 8KiB is too small and that should be bumped, I'm also > not sure what the best size would be but 64KiB sounds reasonable > to me. So for this patch: > > Reviewed-by: Javier Martinez Canillas > Thanks >> Every time I build exynos_defconfig, I need to manually change RAM_SIZE >> to match my ramdisk image size. I am not sure what is the best ramdisk size >> might be, but bumping it to 64K might be a reasonable one. >> > > In case you are interested, I got some stats by doing grep on the ARM > defconfigs using this [0]. Of course the sizes depends on the platform > but just to have an idea about what sizes are more popular than others. > > SIZE COUNT > 1024 17 > 8192 43 > 10240 1 > 16384 20 > 20000 25 > 32768 36 > 65536 15 > This is informative. > [0]: http://hastebin.com/buqukimede.bash > > Best regards, >