From: Oleg Nesterov <oleg@redhat.com>
To: Mateusz Guzik <mjguzik@gmail.com>
Cc: ebiederm@xmission.com, brauner@kernel.org,
akpm@linux-foundation.org, Liam.Howlett@oracle.com,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5 0/5] reduce tasklist_lock hold time on exit and do some pid cleanup
Date: Wed, 5 Feb 2025 21:29:38 +0100 [thread overview]
Message-ID: <20250205202937.GC8754@redhat.com> (raw)
In-Reply-To: <20250205200929.406568-1-mjguzik@gmail.com>
On 02/05, Mateusz Guzik wrote:
>
> Whacking this for both add_device_randomness and pids allocation gives
> me a 15% speed up for thread creation/destruction in a 24-core vm.
Nice. The whole series look good to me.
Oleg.
prev parent reply other threads:[~2025-02-05 20:30 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-05 20:09 Mateusz Guzik
2025-02-05 20:09 ` [PATCH v5 1/5] exit: perform add_device_randomness() without tasklist_lock Mateusz Guzik
2025-02-05 20:56 ` Oleg Nesterov
2025-02-06 10:40 ` Christian Brauner
2025-02-05 20:09 ` [PATCH v5 2/5] exit: hoist get_pid() in release_task() outside of tasklist_lock Mateusz Guzik
2025-02-05 20:09 ` [PATCH v5 3/5] pid: sprinkle tasklist_lock asserts Mateusz Guzik
2025-02-05 20:09 ` [PATCH v5 4/5] pid: perform free_pid() calls outside of tasklist_lock Mateusz Guzik
2025-02-07 18:31 ` Mark Brown
2025-02-07 19:45 ` Mateusz Guzik
2025-02-07 19:51 ` Mateusz Guzik
2025-02-05 20:09 ` [PATCH v5 5/5] pid: drop irq disablement around pidmap_lock Mateusz Guzik
2025-02-05 20:29 ` Oleg Nesterov [this message]
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