Michal Hocko wrote: > +static inline bool __task_will_free_mem(struct task_struct *task) > +{ > + struct signal_struct *sig = task->signal; > + > + /* > + * 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. > + */ > + if (sig->flags & SIGNAL_GROUP_COREDUMP) > + return false; > + > + if (sig->flags & SIGNAL_GROUP_EXIT) > + return true; > + > + if (thread_group_empty(task) && PF_EXITING) > + return true; "thread_group_empty(task) && PF_EXITING" is wrong. > + > + return false; > +} > + > +/* > + * Checks whether the given task is dying or exiting and likely to > + * release its address space. This means that all threads and processes > + * sharing the same mm have to be killed or exiting. > + */ > +bool task_will_free_mem(struct task_struct *task) > +{ > + struct mm_struct *mm; > + struct task_struct *p; > + bool ret; > + > + if (!__task_will_free_mem(p)) > + return false; mm/oom_kill.c: In function 'task_will_free_mem': mm/oom_kill.c:758:27: warning: 'p' is used uninitialized in this function [-Wuninitialized] -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>