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-rw-r--r--security/keys/sysctl.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/security/keys/sysctl.c b/security/keys/sysctl.c
index ee32d18..8c0af08 100644
--- a/security/keys/sysctl.c
+++ b/security/keys/sysctl.c
@@ -61,5 +61,16 @@ ctl_table key_sysctls[] = {
.extra1 = (void *) &zero,
.extra2 = (void *) &max,
},
+#ifdef CONFIG_PERSISTENT_KEYRINGS
+ {
+ .procname = "persistent_keyring_expiry",
+ .data = &persistent_keyring_expiry,
+ .maxlen = sizeof(unsigned),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = (void *) &zero,
+ .extra2 = (void *) &max,
+ },
+#endif
{ }
};
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