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Date: Tue, 24 Jan 2012 16:34:23 -0800 From: Linus Torvalds <torvalds@...ux-foundation.org> To: Yinghai Lu <yinghai@...nel.org> Cc: Rogério Brito <rbrito@....usp.br>, Jesse Barnes <jbarnes@...tuousgeek.org>, Ivan Kokshaysky <ink@...assic.park.msu.ru>, Edward Donovan <edward.donovan@...ble.net>, Thomas Gleixner <tglx@...utronix.de>, Bjorn Helgaas <bhelgaas@...gle.com>, linux-kernel@...r.kernel.org, Márcia Coutinho de Brito <mcbrito@...il.com>, Ram Pai <linuxram@...ibm.com>, rui.zhang@...el.com Subject: Re: [Bug 41722] Clevo M5X0JE hangs in ACPI init 2012/1/24 Yinghai Lu <yinghai@...nel.org>: > > Your bios does not have RAM page aligned... That's pretty common. BIOS tables etc are seldom page-aligned, and afaik we handle it all correctly. Look for PFN_UP(start) and PFN_DOWN(start+length) patterns in both e820.c and memblock.c. Sure, it is _possible_ that we have some place we screw up in, but I think it's unlikely. As mentioned, non-page-aligned memory is quite common, especially in the low BIOS region just under the 640kB mark. Linus -- 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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