Hi, Thanks for working on this
On Sat, Aug 02, 2014 at 04:06:09PM +0200, Luc Verhaegen wrote: > +#define CONFIG_SYS_MEM_TOP_HIDE ((CONFIG_SUNXI_FB_SIZE + 0xFFF) & ~0xFFF) I'm not too fond of this approach. I'd rather see this code generates a reserved-memory node in the DT, as described here: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt There's still a few patches pending that are not too far off and should be merged soon to be able to use it at will: http://lists.infradead.org/pipermail/linux-arm-kernel/2014-July/272071.html But that should provide Linux a way to not touch the memory at all, while doing a proper memory allocation, and without having to cheat like you're currently doing. Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com
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