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Date:	Sat, 18 Jul 2015 18:04:21 +0000
From:	"Dixit, Ashutosh" <>
To:	'Toshi Kani' <>,
	"" <>
CC:	"Dutt, Sudeep" <>,
	"Rao, Nikhil" <>,
	"Williams, Dan J" <>
Subject: Regression in v4.2-rc1: vmalloc_to_page with ioremap

vmalloc_to_page with ioremap'd memory used to work correctly till v4.1. In
v4.2-rc1 when ioremap is done using huge pages vmalloc_to_page on ioremap'd
memory crashes. Are there plans to fix this?

An example of the use of vmalloc_to_page with ioremap is in the Intel MIC SCIF
driver (drivers/misc/mic/scif/scif_nodeqp.c) which dma map's the ioremap'd range
of one device to a second device.

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