On Thu, Jan 21, 2021 at 06:49:45PM +0530, Gautham Ananthakrishna wrote:
> + spin_lock(&victim->d_lock);
> + parent = lock_parent(victim);
> +
> + rcu_read_unlock();
Similar story. As soon as you hit that rcu_read_unlock(), the memory
pointed to by victim might be reused. If you have
From: Konstantin Khlebnikov
Without memory pressure count of negative dentries isn't bounded.
They could consume all memory and drain all other inactive caches.
Typical scenario is an idle system where some process periodically creates
temporary files and removes them. After some time, memory wi
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