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Date: Wed, 29 Jul 2015 23:52:30 +0200 From: "Luis R. Rodriguez" <mcgrof@...e.com> To: Dan Williams <dan.j.williams@...el.com> Cc: Toshi Kani <toshi.kani@...com>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Geert Uytterhoeven <geert@...ux-m68k.org>, linux-arch@...r.kernel.org, Arnd Bergmann <arnd@...db.de>, "linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Christoph Hellwig <hch@....de>, "H. Peter Anvin" <hpa@...or.com>, Russell King <rmk+kernel@....linux.org.uk>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...nel.org>, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org> Subject: Re: [PATCH v2 08/25] arch: introduce memremap() On Wed, Jul 29, 2015 at 02:47:40PM -0700, Dan Williams wrote: > On Wed, Jul 29, 2015 at 2:43 PM, Luis R. Rodriguez <mcgrof@...e.com> wrote: > > While at it, Dan, will / should memremap() support overlapping calls ? > > What is the expectation on behaviour ? > > It will be the same as ioremap(). Each mapping gets its own virtual > address and overlapping calls are permitted. The only protection is > that RAM is never mapped with an alias. If you could document this as part of your next respin that'd be highly appreciated. Luis -- 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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