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-rw-r--r--include/linux/swap.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index c9d8870..f733deb 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 */
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