diff options
| author |   Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2019-08-23 11:35:39 +0200 |
|---|---|---|
| committer | Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2019-08-23 11:35:39 +0200 |
| commit | 6f50fa2a6f1395ad5f59ce7b87730f1f3ea19d76 (patch) | |
| tree | f826145c5bf9c502c033e7b67bcefc30eb0f9eee /include/linux/sched.h | |
| parent | HID: logitech-dj: extend consumer usages range (diff) | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid (diff) | |
| download | wireguard-linux-6f50fa2a6f1395ad5f59ce7b87730f1f3ea19d76.tar.xz wireguard-linux-6f50fa2a6f1395ad5f59ce7b87730f1f3ea19d76.zip | |
Merge branch 'master' into for-5.4/logitech
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 8dc1811487f5..9f51932bd543 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1092,7 +1092,15 @@ struct task_struct { u64 last_sum_exec_runtime; struct callback_head numa_work; - struct numa_group *numa_group; + /* + * This pointer is only modified for current in syscall and + * pagefault context (and for tasks being destroyed), so it can be read + * from any of the following contexts: + * - RCU read-side critical section + * - current->numa_group from everywhere + * - task's runqueue locked, task not running + */ + struct numa_group __rcu *numa_group; /* * numa_faults is an array split into four regions: |