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Move the helper to a shared header and expose > it. > > While at it, simplify the implementation. The current code is redundant > as it effectively expands to: > > is_swap_pte(pte) && > is_pte_marker_entry(...) && // from is_pte_marker() > is_pte_marker_entry(...) // from is_guard_swp_entry() > > While a modern compiler could likely optimize this away, let's have clean > code and not rely on it. > > Cc: Kairui Song > Acked-by: David Hildenbrand > Reviewed-by: Lorenzo Stoakes > Signed-off-by: Lance Yang > --- > include/linux/swapops.h | 6 ++++++ > mm/madvise.c | 6 ------ > 2 files changed, 6 insertions(+), 6 deletions(-) > LGTM. Reviewed-by: Zi Yan Best Regards, Yan, Zi