linux-kernel - Re: [Linux-nvdimm] [PATCH v2 01/20] e820, efi: add ACPI 6.0 persistent memory types

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Message-ID: <x49iobtyhfv.fsf@segfault.boston.devel.redhat.com>
Date:	Fri, 15 May 2015 11:43:48 -0400
From:	Jeff Moyer <jmoyer@...hat.com>
To:	Dan Williams <dan.j.williams@...el.com>
Cc:	linux-nvdimm@...1.01.org, Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
	Jens Axboe <axboe@...com>, Borislav Petkov <bp@...en8.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andy Lutomirski <luto@...capital.net>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Christoph Hellwig <hch@....de>
Subject: Re: [Linux-nvdimm] [PATCH v2 01/20] e820, efi: add ACPI 6.0 persistent memory types

Dan Williams <dan.j.williams@...el.com> writes:

> @@ -919,10 +920,31 @@ static inline const char *e820_type_to_string(int e820_type)
>  	case E820_NVS:	return "ACPI Non-volatile Storage";
>  	case E820_UNUSABLE:	return "Unusable memory";
>  	case E820_PRAM: return "Persistent RAM";
> +	case E820_PMEM: return "Persistent I/O Memory";

Minor nit, but nobody refers to this stuff as persistent I/O memory.
I've heard it referred to as persistent memory or storage class memory.
In the end, I doubt it matters.

Acked-by: Jeff Moyer <jmoyer@...hat.com>
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