[RESEND RFC PATCH v1 01/20] mm: add new flag to enable ksm per process

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This introduces the new flag MMF_VM_MERGE_ANY flag. When this flag is
set, kernel samepage merging (ksm) gets enabled for all vma's of a
process.

Signed-off-by: Stefan Roesch <shr@xxxxxxxxxxxx>
---
 include/linux/sched/coredump.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/sched/coredump.h b/include/linux/sched/coredump.h
index 8270ad7ae14c..0e0de5b7469f 100644
--- a/include/linux/sched/coredump.h
+++ b/include/linux/sched/coredump.h
@@ -86,4 +86,5 @@ static inline int get_dumpable(struct mm_struct *mm)
 #define MMF_INIT_MASK		(MMF_DUMPABLE_MASK | MMF_DUMP_FILTER_MASK |\
 				 MMF_DISABLE_THP_MASK)
 
+#define MMF_VM_MERGE_ANY	29
 #endif /* _LINUX_SCHED_COREDUMP_H */
-- 
2.30.2





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