memcg: coalesce uncharge during unmap/truncate

[pandora-kernel.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 5c858f3..f4c1454 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1544,6 +1544,14 @@ struct task_struct {
        unsigned long trace_recursion;
 #endif /* CONFIG_TRACING */
        unsigned long stack_start;
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR /* memcg uses this to do batch job */
+       struct memcg_batch_info {
+               int do_batch;   /* incremented when batch uncharge started */
+               struct mem_cgroup *memcg; /* target memcg of uncharge */
+               unsigned long bytes;            /* uncharged usage */
+               unsigned long memsw_bytes; /* uncharged mem+swap usage */
+       } memcg_batch;
+#endif
 };
 
 /* Future-safe accessor for struct task_struct's cpus_allowed. */