linux-kernel - [PATCH 0/2] Revert "pid: make __task_pid_nr_ns(ns => NULL) safe for zombie callers"

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Message-ID: <20251015123550.GA9447@redhat.com>
Date: Wed, 15 Oct 2025 14:35:50 +0200
From: Oleg Nesterov <oleg@...hat.com>
To: Christian Brauner <brauner@...nel.org>
Cc: gaoxiang17 <gaoxiang17@...omi.com>, Mateusz Guzik <mjguzik@...il.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 0/2] Revert "pid: make __task_pid_nr_ns(ns => NULL) safe for
 zombie callers"

Christian,

I was going to revert 006568ab4c5c ("pid: Add a judgment for ns null in pid_nr_ns")
but then I changed my mind and decided to revert my commit abdfd4948e45 (""pid: make
__task_pid_nr_ns(ns => NULL) safe for zombie callers"). See the changelog.

2/2 is offtopic and purely cosmetic.

Oleg.

 fs/pidfs.c          | 2 +-
 include/linux/pid.h | 5 +++++
 kernel/pid.c        | 3 +--
 3 files changed, 7 insertions(+), 3 deletions(-)