struct mm_struct {
        struct {
                struct vm_area_struct * mmap;            /*     0     8 */
                struct rb_root     mm_rb;                /*     8     8 */
                u64                vmacache_seqnum;      /*    16     8 */
                long unsigned int  (*get_unmapped_area)(struct file *, long unsigned int, long unsigned int, long unsigned int, long unsigned int); /*    24     8 */
                long unsigned int  mmap_base;            /*    32     8 */
                long unsigned int  mmap_legacy_base;     /*    40     8 */
                long unsigned int  mmap_compat_base;     /*    48     8 */
                long unsigned int  mmap_compat_legacy_base; /*    56     8 */
                /* --- cacheline 1 boundary (64 bytes) --- */
                long unsigned int  task_size;            /*    64     8 */
                long unsigned int  highest_vm_end;       /*    72     8 */
                pgd_t *            pgd;                  /*    80     8 */
                atomic_t           membarrier_state;     /*    88     4 */
                atomic_t           mm_users;             /*    92     4 */
                atomic_t           mm_count;             /*    96     4 */
                atomic_t           has_pinned;           /*   100     4 */
                seqcount_t         write_protect_seq;    /*   104     4 */

                /* XXX 4 bytes hole, try to pack */

                atomic_long_t      pgtables_bytes;       /*   112     8 */
                int                map_count;            /*   120     4 */
                spinlock_t         page_table_lock;      /*   124     4 */
                /* --- cacheline 2 boundary (128 bytes) --- */
                struct rw_semaphore mmap_lock;           /*   128    40 */
                struct list_head   mmlist;               /*   168    16 */
                long unsigned int  hiwater_rss;          /*   184     8 */
                /* --- cacheline 3 boundary (192 bytes) --- */
                long unsigned int  hiwater_vm;           /*   192     8 */
                long unsigned int  total_vm;             /*   200     8 */
                long unsigned int  locked_vm;            /*   208     8 */
                atomic64_t         pinned_vm;            /*   216     8 */
                long unsigned int  data_vm;              /*   224     8 */
                long unsigned int  exec_vm;              /*   232     8 */
                long unsigned int  stack_vm;             /*   240     8 */
                long unsigned int  def_flags;            /*   248     8 */
                /* --- cacheline 4 boundary (256 bytes) --- */
                spinlock_t         arg_lock;             /*   256     4 */

                /* XXX 4 bytes hole, try to pack */

                long unsigned int  start_code;           /*   264     8 */
                long unsigned int  end_code;             /*   272     8 */
                long unsigned int  start_data;           /*   280     8 */
                long unsigned int  end_data;             /*   288     8 */
                long unsigned int  start_brk;            /*   296     8 */
                long unsigned int  brk;                  /*   304     8 */
                long unsigned int  start_stack;          /*   312     8 */
                /* --- cacheline 5 boundary (320 bytes) --- */
                long unsigned int  arg_start;            /*   320     8 */
                long unsigned int  arg_end;              /*   328     8 */
                long unsigned int  env_start;            /*   336     8 */
                long unsigned int  env_end;              /*   344     8 */
                long unsigned int  saved_auxv[46];       /*   352   368 */
                /* --- cacheline 11 boundary (704 bytes) was 16 bytes ago --- */
                struct mm_rss_stat rss_stat;             /*   720    32 */
                struct linux_binfmt * binfmt;            /*   752     8 */
                mm_context_t       context;              /*   760   128 */
                /* --- cacheline 13 boundary (832 bytes) was 56 bytes ago --- */
                long unsigned int  flags;                /*   888     8 */
                /* --- cacheline 14 boundary (896 bytes) --- */
                struct core_state * core_state;          /*   896     8 */
                spinlock_t         ioctx_lock;           /*   904     4 */

                /* XXX 4 bytes hole, try to pack */

                struct kioctx_table * ioctx_table;       /*   912     8 */
                struct task_struct * owner;              /*   920     8 */
                struct user_namespace * user_ns;         /*   928     8 */
                struct file *      exe_file;             /*   936     8 */
                struct mmu_notifier_subscriptions * notifier_subscriptions; /*   944     8 */
                long unsigned int  numa_next_scan;       /*   952     8 */
                /* --- cacheline 15 boundary (960 bytes) --- */
                long unsigned int  numa_scan_offset;     /*   960     8 */
                int                numa_scan_seq;        /*   968     4 */
                atomic_t           tlb_flush_pending;    /*   972     4 */
                bool               tlb_flush_batched;    /*   976     1 */

                /* XXX 7 bytes hole, try to pack */

                struct uprobes_state uprobes_state;      /*   984     8 */
                atomic_long_t      hugetlb_usage;        /*   992     8 */
                struct work_struct async_put_work;       /*  1000    32 */
                /* --- cacheline 16 boundary (1024 bytes) was 8 bytes ago --- */
                u32                pasid;                /*  1032     4 */
        };                                               /*     0  1040 */