linux-kernel - Re: [PATCH v3 5/6] arch: introduce memremap_cache() and memremap

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Message-ID: <CAHp75VdW5Pd-h1qvOm+sTT6xoAbYRY9aBR8aTMF7QQ8sT05FZw@mail.gmail.com>
Date:	Mon, 8 Jun 2015 22:04:59 +0300
From:	Andy Shevchenko <andy.shevchenko@...il.com>
To:	Dan Williams <dan.j.williams@...el.com>
Cc:	Arnd Bergmann <arnd@...db.de>, Ingo Molnar <mingo@...hat.com>,
	Borislav Petkov <bp@...en8.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ross Zwisler <ross.zwisler@...ux.intel.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Juergen Gross <jgross@...e.com>,
	"x86@...nel.org" <x86@...nel.org>,
	"Kani, Toshimitsu" <toshi.kani@...com>,
	"linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Luis Rodriguez <mcgrof@...e.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Stefan Bader <stefan.bader@...onical.com>,
	Andy Lutomirski <luto@...capital.net>, linux-mm@...ck.org,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Henrique de Moraes Holschuh <hmh@....eng.br>,
	mpe@...erman.id.au, Tejun Heo <tj@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Christoph Hellwig <hch@....de>
Subject: Re: [PATCH v3 5/6] arch: introduce memremap_cache() and memremap_wt()

On Mon, Jun 8, 2015 at 9:25 PM, Dan Williams <dan.j.williams@...el.com> wrote:

>>> +       if (region_is_ram(offset, size) != 0) {
>>> +               WARN_ONCE(1, "memremap attempted on ram %pa size: %zd\n",
>>
>> %zu
>
> Sure, thanks for taking a look Andy!

One more thing, can we do
WARN_ONCE(region_is_ram(offset, size), …); ?

-- 
With Best Regards,
Andy Shevchenko
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