linux-kernel - Re: [PATCH] release_task: kill the no longer needed get/put_pid(thread

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Message-ID: <20250414-ertasten-gelassen-78abebf1625e@brauner>
Date: Mon, 14 Apr 2025 13:42:51 +0200
From: Christian Brauner <brauner@...nel.org>
To: Mateusz Guzik <mjguzik@...il.com>,
	Oleg Nesterov <oleg@...hat.com>
Cc: Christian Brauner <brauner@...nel.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"Liam R. Howlett" <Liam.Howlett@...cle.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] release_task: kill the no longer needed get/put_pid(thread_pid)

On Fri, 11 Apr 2025 14:18:57 +0200, Oleg Nesterov wrote:
> After the commit 7903f907a2260 ("pid: perform free_pid() calls outside
> of tasklist_lock") __unhash_process() -> detach_pid() no longer calls
> free_pid(), proc_flush_pid() can just use p->thread_pid without the
> now pointless get_pid() + put_pid().
> 
> 

Applied to the vfs-6.16.pidfs branch of the vfs/vfs.git tree.
Patches in the vfs-6.16.pidfs branch should appear in linux-next soon.

Please report any outstanding bugs that were missed during review in a
new review to the original patch series allowing us to drop it.

It's encouraged to provide Acked-bys and Reviewed-bys even though the
patch has now been applied. If possible patch trailers will be updated.

Note that commit hashes shown below are subject to change due to rebase,
trailer updates or similar. If in doubt, please check the listed branch.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
branch: vfs-6.16.pidfs

[1/1] release_task: kill the no longer needed get/put_pid(thread_pid)
      https://git.kernel.org/vfs/vfs/c/c9e3b2f77268