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Date: Mon, 15 Sep 2014 11:30:13 +0100 From: Russell King - ARM Linux <linux@....linux.org.uk> To: "Wang, Yalin" <Yalin.Wang@...ymobile.com> Cc: 'Will Deacon' <will.deacon@....com>, "'linux-kernel@...r.kernel.org'" <linux-kernel@...r.kernel.org>, "'linux-arm-kernel@...ts.infradead.org'" <linux-arm-kernel@...ts.infradead.org>, "'linux-mm@...ck.org'" <linux-mm@...ck.org>, "linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org> Subject: Re: [RFC] arm:extend the reserved mrmory for initrd to be page aligned On Mon, Sep 15, 2014 at 06:22:12PM +0800, Wang, Yalin wrote: > Oh, I see your meaning, > Yeah , my initrd is a cpio image, > And it can still work after apply this patch. Okay, that's what I wanted to know. However, I believe your patch to be incorrect. You delete the assignments to initrd_start and initrd_end in arm_memblock_init(), which will result in non-OF platforms having no initrd. The reason is that OF platforms set initrd_start and initrd_size from the OF code (drivers/of/fdt.c), but ATAG platforms only set our private phys_* versions. The reason I went with phys_* stuff was to permit better verification of the addresses passed - that the addresses were indeed memory locations before passing them through something like __va(). -- FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up according to speedtest.net. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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