The patch titled
Subject: oom: kill the insufficient and no longer needed PT_TRACE_EXIT check
has been removed from the -mm tree. Its filename was
oom-kill-the-insufficient-and-no-longer-needed-pt_trace_exit-check.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Oleg Nesterov <oleg@xxxxxxxxxx>
Subject: oom: kill the insufficient and no longer needed PT_TRACE_EXIT check
After the previous patch we can remove the PT_TRACE_EXIT check in
oom_scan_process_thread(), it was added to handle the case when the
coredumping was "frozen" by ptrace, but it doesn't really work. If
nothing else, we would need to check all threads which could share the
same ->mm to make it more or less correct.
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Cong Wang <xiyou.wangcong@xxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxx>
Cc: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/oom_kill.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff -puN mm/oom_kill.c~oom-kill-the-insufficient-and-no-longer-needed-pt_trace_exit-check mm/oom_kill.c
--- a/mm/oom_kill.c~oom-kill-the-insufficient-and-no-longer-needed-pt_trace_exit-check
+++ a/mm/oom_kill.c
@@ -281,14 +281,9 @@ enum oom_scan_t oom_scan_process_thread(
if (oom_task_origin(task))
return OOM_SCAN_SELECT;
- if (task_will_free_mem(task) && !force_kill) {
- /*
- * If this task is not being ptraced on exit, then wait for it
- * to finish before killing some other task unnecessarily.
- */
- if (!(task->group_leader->ptrace & PT_TRACE_EXIT))
- return OOM_SCAN_ABORT;
- }
+ if (task_will_free_mem(task) && !force_kill)
+ return OOM_SCAN_ABORT;
+
return OOM_SCAN_OK;
}
_
Patches currently in -mm which might be from oleg@xxxxxxxxxx are
origin.patch
remove-unnecessary-is_valid_nodemask.patch
linux-next.patch
all-arches-signal-move-restart_block-to-struct-task_struct.patch
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