NOMMU: Make mmap allocation page trimming behaviour configurable.
[firefly-linux-kernel-4.4.55.git] / include / linux / mm_types.h
index 1c1e0d3a1714d6e5931728228b6b57b2fd6e7439..92915e81443ff028afc2ac8a188a7bdbf94721ee 100644 (file)
@@ -106,6 +106,7 @@ struct vm_region {
        unsigned long   vm_flags;       /* VMA vm_flags */
        unsigned long   vm_start;       /* start address of region */
        unsigned long   vm_end;         /* region initialised to here */
+       unsigned long   vm_top;         /* region allocated to here */
        unsigned long   vm_pgoff;       /* the offset in vm_file corresponding to vm_start */
        struct file     *vm_file;       /* the backing file or NULL */