1 files changed, 2 insertions, 0 deletions

diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt
index 6d78841fd416..2907ba6c3607 100644
--- a/Documentation/sysctl/kernel.txt
+++ b/Documentation/sysctl/kernel.txt
@@ -181,6 +181,8 @@ core_pattern is used to specify a core dumpfile pattern name.
         %p      pid
         %u      uid
         %g      gid
+        %d      dump mode, matches PR_SET_DUMPABLE and
+                /proc/sys/fs/suid_dumpable
         %s      signal number
         %t      UNIX time of dump
         %h      hostname