The patch titled
wait_task_zombie: remove unneeded child->signal check
has been added to the -mm tree. Its filename is
wait_task_zombie-remove-unneeded-child-signal-check.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: wait_task_zombie: remove unneeded child->signal check
From: Oleg Nesterov <oleg@xxxxxxxxxx>
A zombie must have a valid ->signal, we are going to release it and
__exit_signal() starts with BUG_ON(!sig).
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Roland McGrath <roland@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/exit.c | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
diff -puN kernel/exit.c~wait_task_zombie-remove-unneeded-child-signal-check kernel/exit.c
--- a/kernel/exit.c~wait_task_zombie-remove-unneeded-child-signal-check
+++ a/kernel/exit.c
@@ -1209,7 +1209,7 @@ static int wait_task_zombie(struct task_
return 0;
}
- if (likely(p->real_parent == p->parent) && likely(p->signal)) {
+ if (likely(p->real_parent == p->parent)) {
struct signal_struct *psig;
struct signal_struct *sig;
_
Patches currently in -mm which might be from oleg@xxxxxxxxxx are
fix-theoretical-ccids_readwrite_lock-race.patch
i386-remove-unnecessary-code.patch
clone-flag-clone_parent_tidptr-leaves-invalid-results-in-memory.patch
do_sys_poll-simplify-playing-with-on-stack-data.patch
do_sys_poll-simplify-playing-with-on-stack-data-fix.patch
do_poll-return-eintr-when-signalled.patch
pi-futex-set-pf_exiting-without-taking-pi_lock.patch
do_sigaction-remove-now-unneeded-recalc_sigpending.patch
handle-the-multi-threaded-inits-exit-properly.patch
wait_task_zombie-remove-unneeded-child-signal-check.patch
cpu-hotplug-slab-cleanup-cpuup_callback.patch
cpu-hotplug-slab-fix-memory-leak-in-cpu-hotplug-error-path.patch
cpu-hotplug-cpu-deliver-cpu_up_canceled-only-to-notify_oked-callbacks-with-cpu_up_prepare.patch
cpu-hotplug-topology-remove-topology_dev_map.patch
cpu-hotplug-thermal_throttle-fix-cpu-hotplug-error-handling.patch
cpu-hotplug-msr-fix-cpu-hotplug-error-handling.patch
cpu-hotplug-cpuid-fix-cpu-hotplug-error-handling.patch
cpu-hotplug-mce-fix-cpu-hotplug-error-handling.patch
cpu-hotplug-intel_cacheinfo-fix-cpu-hotplug-error-handling.patch
cpu-hotplug-intel_cacheinfo-fix-cpu-hotplug-error-handling-fix-a-section-mismatch-warning.patch
workqueue-debug-flushing-deadlocks-with-lockdep.patch
workqueue-debug-work-related-deadlocks-with-lockdep.patch
-
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