1 files changed, 11 insertions, 0 deletions

diff --git a/include/linux/oom.h b/include/linux/oom.h
index e8d6e1058723..853698c721f7 100644
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -92,6 +92,17 @@ static inline bool oom_gfp_allowed(gfp_t gfp_mask)
 
 extern struct task_struct *find_lock_task_mm(struct task_struct *p);
 
+static inline bool task_will_free_mem(struct task_struct *task)
+{
+        /*
+         * A coredumping process may sleep for an extended period in exit_mm(),
+         * so the oom killer cannot assume that the process will promptly exit
+         * and release memory.
+         */
+        return (task->flags & PF_EXITING) &&
+                !(task->signal->flags & SIGNAL_GROUP_COREDUMP);
+}
+
 /* sysctls */
 extern int sysctl_oom_dump_tasks;
 extern int sysctl_oom_kill_allocating_task;