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Date: Thu, 30 Aug 2018 14:45:26 +0200 (CEST) From: Thomas Gleixner <tglx@...utronix.de> To: Gu Zhimin <kookoo.gu@...el.com> cc: "Rafael J. Wysocki" <rjw@...ysocki.net>, Len Brown <lenb@...nel.org>, Ingo Molnar <mingo@...hat.com>, "H. Peter Anvin" <hpa@...or.com>, Pavel Machek <pavel@....cz>, Yu Chen <yu.c.chen@...el.com>, x86@...nel.org, linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 1/3] x86, hibernate: Fix nosave_regions setup for hibernation On Mon, 27 Aug 2018, Gu Zhimin wrote: > > Fix this problem by changing pfn limit from max_low_pfn to max_pfn. > This issue should also exist on 64bits systems, if there are reserved > regions above 4GB. Should? Can we please have facts and not some half baken assumptions? On 64bit max_low_pfn is the same as max_pfn. See init_mem_mapping(). Thanks, tglx
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