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The original definition of early_pfn_to_nid is defined in mm.h, so let add this in the corresponding mm.h. Signed-off-by: Wei Yang CC: Yajun Deng CC: Mike Rapoport --- tools/include/linux/mm.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tools/include/linux/mm.h b/tools/include/linux/mm.h index f3c82ab5b14c..7d73da098047 100644 --- a/tools/include/linux/mm.h +++ b/tools/include/linux/mm.h @@ -37,4 +37,9 @@ static inline void totalram_pages_add(long count) { } +static inline int early_pfn_to_nid(unsigned long pfn) +{ + return 0; +} + #endif