1 files changed, 4 insertions, 4 deletions

diff --git a/include/linux/swap.h b/include/linux/swap.h
index c9d8870892b8..f733deb10748 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -151,9 +151,9 @@ enum {
 
 #define SWAP_CLUSTER_MAX 32
 
-#define SWAP_MAP_MAX    0x7ffe
-#define SWAP_MAP_BAD    0x7fff
-#define SWAP_HAS_CACHE  0x8000          /* There is a swap cache of entry. */
+#define SWAP_MAP_MAX    0x7e
+#define SWAP_MAP_BAD    0x7f
+#define SWAP_HAS_CACHE  0x80            /* There is a swap cache of entry. */
 
 /*
  * The in-memory structure used to track swap areas.
@@ -167,7 +167,7 @@ struct swap_info_struct {
         struct block_device *bdev;
         struct swap_extent first_swap_extent;
         struct swap_extent *curr_swap_extent;
-        unsigned short *swap_map;
+        unsigned char *swap_map;
         unsigned int lowest_bit;
         unsigned int highest_bit;
         unsigned int lowest_alloc;      /* while preparing discard cluster */