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authorLinus Torvalds <torvalds@linux-foundation.org>2019-06-15 06:46:14 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2019-06-15 06:46:14 +0300
commit0011572c883082a95e02d47f45fc4a42dc0e8634 (patch)
tree47ddda0da5f15354d4a93d3617de882cbd9064b3 /include/linux/cgroup-defs.h
parent6aa7a22b97907851972d7f39aae79dc105eba78b (diff)
parentd477f8c202d1f0d4791ab1263ca7657bbe5cf79e (diff)
downloadlinux-0011572c883082a95e02d47f45fc4a42dc0e8634.tar.xz
Merge branch 'for-5.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup fixes from Tejun Heo: "This has an unusually high density of tricky fixes: - task_get_css() could deadlock when it races against a dying cgroup. - cgroup.procs didn't list thread group leaders with live threads. This could mislead readers to think that a cgroup is empty when it's not. Fixed by making PROCS iterator include dead tasks. I made a couple mistakes making this change and this pull request contains a couple follow-up patches. - When cpusets run out of online cpus, it updates cpusmasks of member tasks in bizarre ways. Joel improved the behavior significantly" * 'for-5.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cpuset: restore sanity to cpuset_cpus_allowed_fallback() cgroup: Fix css_task_iter_advance_css_set() cset skip condition cgroup: css_task_iter_skip()'d iterators must be advanced before accessed cgroup: Include dying leaders with live threads in PROCS iterations cgroup: Implement css_task_iter_skip() cgroup: Call cgroup_release() before __exit_signal() docs cgroups: add another example size for hugetlb cgroup: Use css_tryget() instead of css_tryget_online() in task_get_css()
Diffstat (limited to 'include/linux/cgroup-defs.h')
-rw-r--r--include/linux/cgroup-defs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index 11e215d7937e..b4e766e93f6e 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -221,6 +221,7 @@ struct css_set {
*/
struct list_head tasks;
struct list_head mg_tasks;
+ struct list_head dying_tasks;
/* all css_task_iters currently walking this cset */
struct list_head task_iters;