From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= <jglisse@redhat.com>
Date: Fri, 8 Sep 2017 16:12:35 -0700
Subject: mm/hmm: fix build when HMM is disabled
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Git-commit: de540a9763efcd5b6339158ac2e5932fb3e691b9
Patch-mainline: v4.14-rc1
References: VM Functionality, FATE#323338, bsc#1047814
Combinatorial Kconfig is painfull. Withi this patch all below combination
build.
1)
2)
CONFIG_HMM_MIRROR=y
3)
CONFIG_DEVICE_PRIVATE=y
4)
CONFIG_DEVICE_PUBLIC=y
5)
CONFIG_HMM_MIRROR=y
CONFIG_DEVICE_PUBLIC=y
6)
CONFIG_HMM_MIRROR=y
CONFIG_DEVICE_PRIVATE=y
7)
CONFIG_DEVICE_PRIVATE=y
CONFIG_DEVICE_PUBLIC=y
8)
CONFIG_HMM_MIRROR=y
CONFIG_DEVICE_PRIVATE=y
CONFIG_DEVICE_PUBLIC=y
Link: http://lkml.kernel.org/r/20170826002149.20919-1-jglisse@redhat.com
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
---
include/linux/hmm.h | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/include/linux/hmm.h
+++ b/include/linux/hmm.h
@@ -498,7 +498,7 @@ struct hmm_device {
struct hmm_device *hmm_device_new(void *drvdata);
void hmm_device_put(struct hmm_device *hmm_device);
#endif /* CONFIG_DEVICE_PRIVATE || CONFIG_DEVICE_PUBLIC */
-
+#endif /* IS_ENABLED(CONFIG_HMM) */
/* Below are for HMM internal use only! Not to be used by device driver! */
#if IS_ENABLED(CONFIG_HMM_MIRROR)
@@ -517,5 +517,4 @@ static inline void hmm_mm_init(struct mm
#else /* IS_ENABLED(CONFIG_HMM) */
static inline void hmm_mm_destroy(struct mm_struct *mm) {}
static inline void hmm_mm_init(struct mm_struct *mm) {}
-#endif /* IS_ENABLED(CONFIG_HMM) */
#endif /* LINUX_HMM_H */