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Subject[v4 PATCH 1/8] sched: coredump.h: clarify the use of MMF_VM_HUGEPAGE
Date
MMF_VM_HUGEPAGE is set as long as the mm is available for khugepaged by
khugepaged_enter(), not only when VM_HUGEPAGE is set on vma. Correct
the comment to avoid confusion.

Reviewed-by: Miaohe Lin <linmiaohe@huawei.com>
Acked-by: Song Liu <song@kernel.org>
Acked-by: Vlastmil Babka <vbabka@suse.cz>
Signed-off-by: Yang Shi <shy828301@gmail.com>
---
include/linux/sched/coredump.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/sched/coredump.h b/include/linux/sched/coredump.h
index 4d9e3a656875..4d0a5be28b70 100644
--- a/include/linux/sched/coredump.h
+++ b/include/linux/sched/coredump.h
@@ -57,7 +57,8 @@ static inline int get_dumpable(struct mm_struct *mm)
#endif
/* leave room for more dump flags */
#define MMF_VM_MERGEABLE 16 /* KSM may merge identical pages */
-#define MMF_VM_HUGEPAGE 17 /* set when VM_HUGEPAGE is set on vma */
+#define MMF_VM_HUGEPAGE 17 /* set when mm is available for
+ khugepaged */
/*
* This one-shot flag is dropped due to necessity of changing exe once again
* on NFS restore
--
2.26.3
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