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From: Daniel Thompson <daniel.thompson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: Maxime Coquelin
	<mcoquelin.stm32-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Mike Turquette
	<mturquette-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	Stephen Boyd <sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
	Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
	Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	Ian Campbell
	<ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>,
	Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
	Russell King <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
	Kamil Lulko <rev13-5tc4TXWwyLM@public.gmane.org>,
	Andreas Farber <afaerber-l3A5Bk7waGM@public.gmane.org>,
	linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	patches-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
	linaro-kernel-cunTk1MwBs8s++Sfvej+rw@public.gmane.org
Subject: Re: [RFC PATCH 0/3] clk: stm32: Add clock driver for STM32F4[23]xxx devices
Date: Wed, 27 May 2015 09:36:17 +0100	[thread overview]
Message-ID: <55658201.5090208@linaro.org> (raw)
In-Reply-To: <CALszF6BTu_8SCE9hEiLYuvQg8J9eG5xktaVV7_LvnG3r20+wtw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

On 26/05/15 17:41, Maxime Coquelin wrote:
>>   2. Allocating ~80 clock components appears to fragment memory enough
>>      to prevent busybox (.text is ~300K, non-XIP) from running getty.
>>      I have to use "init=/bin/sh" to avoid OOM problems.
>
> Yes, I reproduced the same issue while testing your work.
>
> Could you try with:
> CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
>
> It solves (hides) the problem on my side.
> You can eventually setting it once booted to 1 via procfs.

That works for me too. Thanks.

Incidentally switching to SLOB also reduced the problem for me. It was 
OK whilst I had ~20 clocks (and debugfs) but not enough for me to run 
with all the clocks registered.


Daniel.



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      parent reply	other threads:[~2015-05-27  8:36 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-22 20:41 [RFC PATCH 0/3] clk: stm32: Add clock driver for STM32F4[23]xxx devices Daniel Thompson
     [not found] ` <1432327273-6810-1-git-send-email-daniel.thompson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-05-22 20:41   ` [RFC PATCH 1/3] dt-bindings: Document the STM32F4 clock bindings Daniel Thompson
2015-05-30  7:54   ` [PATCH v2 0/4] clk: stm32: Add clock driver for STM32F4[23]xxx devices Daniel Thompson
2015-05-30  7:54     ` [PATCH v2 1/4] ARM: stm32: Enable clock source Daniel Thompson
     [not found]     ` <1432972448-10332-1-git-send-email-daniel.thompson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-05-30  7:54       ` [PATCH v2 2/4] dt-bindings: Document the STM32F4 clock bindings Daniel Thompson
     [not found]         ` <1432972448-10332-3-git-send-email-daniel.thompson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-05-30  9:21           ` Maxime Coquelin
     [not found]             ` <55698104.2070205-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-06-01  7:46               ` Daniel Thompson
2015-05-30  7:54       ` [PATCH v2 3/4] clk: stm32: Add clock driver for STM32F4[23]xxx devices Daniel Thompson
2015-05-30  9:15         ` Maxime Coquelin
     [not found]           ` <55697FCE.9040003-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-06-01  7:18             ` Daniel Thompson
2015-05-30  7:54       ` [PATCH v2 4/4] ARM: dts: stm32f429: Adopt STM32F4 clock driver Daniel Thompson
2015-05-30  9:38         ` Maxime Coquelin
2015-05-30  8:40     ` [PATCH v2 0/4] clk: stm32: Add clock driver for STM32F4[23]xxx devices Maxime Coquelin
2015-06-10 20:09   ` [PATCH v3 0/3] " Daniel Thompson
     [not found]     ` <1433966978-24422-1-git-send-email-daniel.thompson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-06-10 20:09       ` [PATCH v3 1/3] dt-bindings: Document the STM32F4 clock bindings Daniel Thompson
2015-06-12  7:25         ` Maxime Coquelin
2015-06-22 22:47         ` Stephen Boyd
2015-06-10 20:09       ` [PATCH v3 2/3] clk: stm32: Add clock driver for STM32F4[23]xxx devices Daniel Thompson
2015-06-22 22:48         ` Stephen Boyd
     [not found]         ` <1433966978-24422-3-git-send-email-daniel.thompson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-06-22 23:21           ` Stephen Boyd
     [not found]             ` <20150622232114.GK22132-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2015-06-23  8:25               ` Daniel Thompson
2015-06-10 20:09     ` [PATCH v3 3/3] ARM: dts: stm32f429: Adopt STM32F4 clock driver Daniel Thompson
2015-07-07  9:38       ` Maxime Coquelin
2015-06-22 22:48     ` [PATCH v3 0/3] clk: stm32: Add clock driver for STM32F4[23]xxx devices Stephen Boyd
     [not found]       ` <20150622224832.GI22132-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2015-06-23  8:22         ` Daniel Thompson
2015-06-23  9:24           ` Maxime Coquelin
2015-05-22 20:41 ` [RFC PATCH 2/3] " Daniel Thompson
2015-06-04 22:07   ` Stephen Boyd
2015-06-05  9:36     ` Daniel Thompson
2015-06-06  0:10       ` Stephen Boyd
2015-05-22 20:41 ` [RFC PATCH 3/3] ARM: dts: stm32f429: Adopt STM32F4 clock driver Daniel Thompson
2015-05-26 16:41 ` [RFC PATCH 0/3] clk: stm32: Add clock driver for STM32F4[23]xxx devices Maxime Coquelin
     [not found]   ` <CALszF6BTu_8SCE9hEiLYuvQg8J9eG5xktaVV7_LvnG3r20+wtw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-05-27  8:36     ` Daniel Thompson [this message]

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