| #include <linux/mempolicy.h> |
| /* inode in-kernel data */ |
| #define SHMEM_NR_DIRECT 16 |
| struct shmem_inode_info { |
| unsigned long alloced; /* data pages alloced to file */ |
| unsigned long swapped; /* subtotal assigned to swap */ |
| unsigned long next_index; /* highest alloced index + 1 */ |
| struct shared_policy policy; /* NUMA memory alloc policy */ |
| struct page *i_indirect; /* top indirect blocks page */ |
| swp_entry_t i_direct[SHMEM_NR_DIRECT]; /* first blocks */ |
| struct list_head swaplist; /* chain of maybes on swap */ |
| unsigned long max_blocks; /* How many blocks are allowed */ |
| unsigned long free_blocks; /* How many are left for allocation */ |
| unsigned long max_inodes; /* How many inodes are allowed */ |
| unsigned long free_inodes; /* How many are left for allocation */ |
| static inline struct shmem_inode_info *SHMEM_I(struct inode *inode) |
| return container_of(inode, struct shmem_inode_info, vfs_inode); |