[PATCH v6 06/18] asm-generic/tlb: Conditionally provide tlb_migrate_finish()

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Needed for ia64 -- alternatively we drop the entire hook.

Cc: Will Deacon <will.deacon@xxxxxxx>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Nick Piggin <npiggin@xxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
 include/asm-generic/tlb.h |    2 ++
 1 file changed, 2 insertions(+)

--- a/include/asm-generic/tlb.h
+++ b/include/asm-generic/tlb.h
@@ -539,6 +539,8 @@ static inline void tlb_end_vma(struct mm
 
 #endif /* CONFIG_MMU */
 
+#ifndef tlb_migrate_finish
 #define tlb_migrate_finish(mm) do {} while (0)
+#endif
 
 #endif /* _ASM_GENERIC__TLB_H */





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