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kmemleak: Do no create the clean-up thread during kmemleak_disable()
The kmemleak_disable() function could be called from various contexts including IRQ. It creates a clean-up thread but the kthread_create() function has restrictions on which contexts it can be called from, mainly because of the kthread_create_lock. The patch changes the kmemleak clean-up thread to a workqueue. Signed-off-by: Catalin Marinas <[email protected]> Reported-by: Eric Paris <[email protected]>
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