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-rw-r--r--include/linux/swap.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 8170254c56b0..7daae5a4b3e1 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -577,6 +577,12 @@ static inline swp_entry_t get_swap_page(struct page *page)
return entry;
}
+static inline int add_swap_extent(struct swap_info_struct *sis,
+ unsigned long start_page,
+ unsigned long nr_pages, sector_t start_block)
+{
+ return -EINVAL;
+}
#endif /* CONFIG_SWAP */
#ifdef CONFIG_THP_SWAP