[Devel] [PATCH RHEL7 COMMIT] kernel: check the JOBCTL_TRAPPING_BIT bit correctly

[Konstantin Khorenko]

The commit is pushed to "branch-rh7-3.10.0-229.7.2.vz7.9.x-ovz" and will appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh7-3.10.0-229.7.2.vz7.9.17
------>
commit a7f3b6508c4d44d44ef91e0421bd5bfd423c3ad3
Author: Andrew Vagin <avagin at openvz.org>
Date:   Mon Dec 28 13:58:12 2015 +0400

    kernel: check the JOBCTL_TRAPPING_BIT bit correctly
    
     #define JOBCTL_TRAPPING_BIT     21      /* switching to TRACED */
     #define JOBCTL_TRAPPING         (1 << JOBCTL_TRAPPING_BIT)
    
    https://jira.sw.ru/browse/PSBM-42052
    
    Signed-off-by: Andrew Vagin <avagin at openvz.org>
    Acked-by: Andrey Ryabinin <aryabinin at virtuozzo.com>
---
 kernel/freezer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/freezer.c b/kernel/freezer.c
index 3445d5d..fbd855b1 100644
--- a/kernel/freezer.c
+++ b/kernel/freezer.c
@@ -39,7 +39,7 @@ bool freezing_slow_path(struct task_struct *p)
 	if (test_thread_flag(TIF_MEMDIE))
 		return false;
 
-	if (p->jobctl & JOBCTL_TRAPPING_BIT)
+	if (p->jobctl & JOBCTL_TRAPPING)
 		return false;
 
 	if (pm_nosig_freezing || cgroup_freezing(p))