[Devel] [PATCH RHEL7 COMMIT] ve/kstat/alloc_lat: Initialize alloc_lat to zero at start
The commit is pushed to "branch-rh7-3.10.0-693.17.1.vz7.43.x-ovz" and will appear at https://src.openvz.org/scm/ovz/vzkernel.git after rh7-3.10.0-693.17.1.vz7.43.7 --> commit 1d8faed7b3fc2a21686259156975a69cd2018a5b Author: Andrey Ryabinin Date: Mon Feb 19 19:22:22 2018 +0300 ve/kstat/alloc_lat: Initialize alloc_lat to zero at start It seems that 'struct task_struct' not initialized to zero after allocation. Thus we need to initialize alloc_lat explicitly. https://jira.sw.ru/browse/PSBM-81395 Signed-off-by: Andrey Ryabinin Reviewed-by: Kirill Tkhai --- kernel/fork.c | 4 1 file changed, 4 insertions(+) diff --git a/kernel/fork.c b/kernel/fork.c index 645b489e33e0..112bef1e2695 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -373,6 +373,10 @@ static struct task_struct *dup_task_struct(struct task_struct *orig, int node) tsk->stack_canary = get_random_int(); #endif +#ifdef CONFIG_VE + memset(tsk->alloc_lat, 0, sizeof(tsk->alloc_lat)); +#endif + /* * One for us, one for whoever does the "release_task()" (usually * parent) ___ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel
[Devel] [PATCH RHEL7 COMMIT] ve/kstat/alloc_lat: Initialize alloc_lat to zero at start
The commit is pushed to "branch-rh7-3.10.0-693.17.1.vz7.45.x-ovz" and will appear at https://src.openvz.org/scm/ovz/vzkernel.git after rh7-3.10.0-693.17.1.vz7.45.3 --> commit 82ddc4c43f2d97c5c0d009072e5b06acf3f3a241 Author: Andrey Ryabinin Date: Mon Feb 19 19:19:10 2018 +0300 ve/kstat/alloc_lat: Initialize alloc_lat to zero at start It seems that 'struct task_struct' not initialized to zero after allocation. Thus we need to initialize alloc_lat explicitly. https://jira.sw.ru/browse/PSBM-81395 Signed-off-by: Andrey Ryabinin Reviewed-by: Kirill Tkhai --- kernel/fork.c | 4 1 file changed, 4 insertions(+) diff --git a/kernel/fork.c b/kernel/fork.c index 645b489e33e0..112bef1e2695 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -373,6 +373,10 @@ static struct task_struct *dup_task_struct(struct task_struct *orig, int node) tsk->stack_canary = get_random_int(); #endif +#ifdef CONFIG_VE + memset(tsk->alloc_lat, 0, sizeof(tsk->alloc_lat)); +#endif + /* * One for us, one for whoever does the "release_task()" (usually * parent) ___ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel
