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* [PATCH RESEND] docs: admin-guide: Add description of %c corename format
@ 2020-02-13  2:51 d.hatayama
  0 siblings, 0 replies; only message in thread
From: d.hatayama @ 2020-02-13  2:51 UTC (permalink / raw)
  To: corbet, linux-doc, linux-kernel

There is somehow no description of %c corename format specifier for
/proc/sys/kernel/core_pattern. The %c corename format specifier is
used by user-space application such as systemd-coredump, so it should
be documented.

To find where %c is handled in the kernel source code, look at
function format_corename() in fs/coredump.c.

Signed-off-by: HATAYAMA Daisuke <d.hatayama@fujitsu.com>
---
 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 def0748..4557907 100644
--- a/Documentation/admin-guide/sysctl/kernel.rst
+++ b/Documentation/admin-guide/sysctl/kernel.rst
@@ -213,6 +213,7 @@ core_pattern is used to specify a core dumpfile pattern name.
        %h      hostname
        %e      executable filename (may be shortened)
        %E      executable path
+       %c      maximum size of core file by resource limit RLIMIT_CORE
        %<OTHER> both are dropped

 * If the first character of the pattern is a '|', the kernel will treat
--
1.8.3.1


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2020-02-13  2:51 [PATCH RESEND] docs: admin-guide: Add description of %c corename format d.hatayama

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