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Message-ID: <20250612060204.1159734-1-carnil@debian.org>
Date: Thu, 12 Jun 2025 08:02:04 +0200
From: Salvatore Bonaccorso <carnil@...ian.org>
To: Jonathan Corbet <corbet@....net>,
Christian Brauner <brauner@...nel.org>
Cc: Luca Boccassi <luca.boccassi@...il.com>,
Oleg Nesterov <oleg@...hat.com>,
linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org,
Salvatore Bonaccorso <carnil@...ian.org>
Subject: [PATCH] Documentation/sysctl: coredump: add %F for pidfd number
In commit b5325b2a270f ("coredump: hand a pidfd to the usermode coredump
helper") a new core_pattern specifier, %F, was added to provide a pidfs
to the usermode helper process referring to the crashed process.
Update the documentation to include the new core_pattern specifier.
Link: https://github.com/systemd/systemd/pull/37125
Link: https://lwn.net/Articles/1024160/
Signed-off-by: Salvatore Bonaccorso <carnil@...ian.org>
---
Documentation/admin-guide/sysctl/kernel.rst | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
index dd49a89a62d3..f1b2ab219a08 100644
--- a/Documentation/admin-guide/sysctl/kernel.rst
+++ b/Documentation/admin-guide/sysctl/kernel.rst
@@ -177,6 +177,7 @@ core_pattern
%E executable path
%c maximum size of core file by resource limit RLIMIT_CORE
%C CPU the task ran on
+ %F pidfd number
%<OTHER> both are dropped
======== ==========================================
--
2.49.0
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