linux-kernel - [PATCH v2 01/11] mm/hmm: select mmu notifier when selecting HMM

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Message-Id: <20190325144011.10560-2-jglisse@redhat.com>
Date:   Mon, 25 Mar 2019 10:40:01 -0400
From:   jglisse@...hat.com
To:     linux-mm@...ck.org
Cc:     linux-kernel@...r.kernel.org,
        Jérôme Glisse <jglisse@...hat.com>,
        Ralph Campbell <rcampbell@...dia.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        John Hubbard <jhubbard@...dia.com>,
        Dan Williams <dan.j.williams@...el.com>
Subject: [PATCH v2 01/11] mm/hmm: select mmu notifier when selecting HMM

From: Jérôme Glisse <jglisse@...hat.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.

Signed-off-by: Jérôme Glisse <jglisse@...hat.com>
Acked-by: Balbir Singh <bsingharora@...il.com>
Cc: Ralph Campbell <rcampbell@...dia.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: John Hubbard <jhubbard@...dia.com>
Cc: Dan Williams <dan.j.williams@...el.com>
---
 mm/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/Kconfig b/mm/Kconfig
index 25c71eb8a7db..0d2944278d80 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -694,6 +694,7 @@ config DEV_PAGEMAP_OPS
 
 config HMM
 	bool
+	select MMU_NOTIFIER
 	select MIGRATE_VMA_HELPER
 
 config HMM_MIRROR
-- 
2.17.2