[PATCH] core.5: document the %f and %C core_pattern specifiers

[Emanuele Rocca <emanuele.rocca@arm.com>]

Whilst going through the relevant kernel code in fs/coredump.c, I noticed that
two core pattern specifiers supported by Linux are missing from man5/core.5.
Document them now.

Signed-off-by: Emanuele Rocca <emanuele.rocca@arm.com>
---
 man/man5/core.5 | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/man/man5/core.5 b/man/man5/core.5
index 8c26aa07e..4da5819b6 100644
--- a/man/man5/core.5
+++ b/man/man5/core.5
@@ -154,6 +154,11 @@ A single % character.
 %c
 Core file size soft resource limit of crashing process (since Linux 2.6.24).
 .TP
+%C
+CPU the task ran on
+.\" commit 8603b6f58637ce196d68f7749633ea81af196d66
+(since Linux 6.2).
+.TP
 %d
 .\" Added in git commit 12a2b4b2241e318b4f6df31228e4272d2c2968a1
 Dump mode\[em]same as value returned by
@@ -179,6 +184,11 @@ Pathname of executable,
 with slashes (\[aq]/\[aq]) replaced by exclamation marks (\[aq]!\[aq])
 (since Linux 3.0).
 .TP
+%f
+Actual filename of executable, which may differ from %e
+.\" commit f38c85f1ba6902e4e2e2bf1b84edf065a904cdeb
+(since Linux 5.9).
+.TP
 %F
 PIDFD of dumped process
 .\" commit b5325b2a270fcaf7b2a9a0f23d422ca8a5a8bdea
-- 
2.47.3