From: Jérôme Glisse <jgli...@redhat.com>

To avoid random config build issue, select mmu notifier when HMM is
selected. In any cases when HMM get selected it will be by users that
will also wants the mmu notifier.

Changes since v1:
    - remove select MMU_NOTIFIER from HMM_MIRROR as it select HMM
      which select MMU_NOTIFIER now

Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Acked-by: Balbir Singh <bsinghar...@gmail.com>
Cc: Ralph Campbell <rcampb...@nvidia.com>
Cc: Andrew Morton <a...@linux-foundation.org>
Cc: John Hubbard <jhubb...@nvidia.com>
Cc: Dan Williams <dan.j.willi...@intel.com>
---
 mm/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/Kconfig b/mm/Kconfig
index 25c71eb8a7db..2e6d24d783f7 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -694,12 +694,12 @@ config DEV_PAGEMAP_OPS
 
 config HMM
        bool
+       select MMU_NOTIFIER
        select MIGRATE_VMA_HELPER
 
 config HMM_MIRROR
        bool "HMM mirror CPU page table into a device page table"
        depends on ARCH_HAS_HMM
-       select MMU_NOTIFIER
        select HMM
        help
          Select HMM_MIRROR if you want to mirror range of the CPU page table 
of a
-- 
2.17.2

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