diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/swap.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h index ead568f04f81..7007a3c2336c 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -254,9 +254,11 @@ struct swap_cluster_info { */ u16 count; u8 flags; + u8 order; struct list_head list; }; #define CLUSTER_FLAG_FREE 1 /* This cluster is free */ +#define CLUSTER_FLAG_NONFULL 2 /* This cluster is on nonfull list */ /* * The first page in the swap file is the swap header, which is always marked @@ -294,6 +296,8 @@ struct swap_info_struct { unsigned char *swap_map; /* vmalloc'ed array of usage counts */ struct swap_cluster_info *cluster_info; /* cluster info. Only for SSD */ struct list_head free_clusters; /* free clusters list */ + struct list_head nonfull_clusters[SWAP_NR_ORDERS]; + /* list of cluster that contains at least one free slot */ unsigned int lowest_bit; /* index of first free in swap_map */ unsigned int highest_bit; /* index of last free in swap_map */ unsigned int pages; /* total of usable pages of swap */ |