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-rw-r--r--mm/swap_state.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/swap_state.c b/mm/swap_state.c
index f2face8b889e..374d446f7a0a 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -36,9 +36,9 @@ static const struct address_space_operations swap_aops = {
#endif
};
-struct address_space *swapper_spaces[MAX_SWAPFILES];
-static unsigned int nr_swapper_spaces[MAX_SWAPFILES];
-bool swap_vma_readahead = true;
+struct address_space *swapper_spaces[MAX_SWAPFILES] __read_mostly;
+static unsigned int nr_swapper_spaces[MAX_SWAPFILES] __read_mostly;
+bool swap_vma_readahead __read_mostly = true;
#define SWAP_RA_WIN_SHIFT (PAGE_SHIFT / 2)
#define SWAP_RA_HITS_MASK ((1UL << SWAP_RA_WIN_SHIFT) - 1)