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| author |   Zqiang <qiang.zhang@windriver.com> | 2020-09-08 14:27:09 +0800 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2020-10-01 16:13:54 +0200 |
| commit | 88451f2cd3cec2abc30debdf129422d2699d1eba (patch) | |
| tree | adde4c22e62edfd77bbbc8bee9579a37d75fa849 /kernel/rcu | |
| parent | treewide: Make all debug_obj_descriptors const (diff) | |
| download | linux-dev-88451f2cd3cec2abc30debdf129422d2699d1eba.tar.xz linux-dev-88451f2cd3cec2abc30debdf129422d2699d1eba.zip | |
debugobjects: Free per CPU pool after CPU unplug
If a CPU is offlined the debug objects per CPU pool is not cleaned up. If
the CPU is never onlined again then the objects in the pool are wasted.
Add a CPU hotplug callback which is invoked after the CPU is dead to free
the pool.
[ tglx: Massaged changelog and added comment about remote access safety ]
Signed-off-by: Zqiang <qiang.zhang@windriver.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Waiman Long <longman@redhat.com>
Link: https://lore.kernel.org/r/20200908062709.11441-1-qiang.zhang@windriver.com
Diffstat (limited to 'kernel/rcu')
0 files changed, 0 insertions, 0 deletions