Re: [PATCH] docs: admin-guide: Add description of %c corename format

From: Jonathan Corbet
Date: Thu Feb 13 2020 - 13:38:18 EST


On Fri, 7 Feb 2020 11:01:07 +0000
"d.hatayama@xxxxxxxxxxx" <d.hatayama@xxxxxxxxxxx> wrote:

> 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@xxxxxxxxxxx>
> ---
> 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

Applied, thanks. A couple of notes:

- The patch was whitespace corrupted; I worked around that.
- There is no need to resend after five days; it can take me a little
while to catch up sometimes.

jon