From: Christoph Hellwig <hch@lst.de>
Date: Tue, 6 Aug 2019 19:05:51 +0300
Subject: mm/hmm: allow HMM_MIRROR on all architectures with MMU
Git-commit: f442c283efe4bda53c8e52b230159d020ea11c8e
Patch-mainline: v5.4-rc1
References: jsc#SLE-16387

There isn't really any architecture specific code in this page table walk
implementation, so drop the dependencies.

Link: https://lore.kernel.org/r/20190806160554.14046-14-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
---
 mm/Kconfig |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -677,8 +677,7 @@ config DEV_PAGEMAP_OPS
 
 config HMM_MIRROR
 	bool "HMM mirror CPU page table into a device page table"
-	depends on (X86_64 || PPC64)
-	depends on MMU && 64BIT
+	depends on MMU
 	select MMU_NOTIFIER
 	help
 	  Select HMM_MIRROR if you want to mirror range of the CPU page table of a