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authorDavid Howells <dhowells@redhat.com>2013-09-24 13:35:18 +0400
committerDavid Howells <dhowells@redhat.com>2013-09-24 13:35:18 +0400
commitab3c3587f8cda9083209a61dbe3a4407d3cada10 (patch)
treec479efb4b7a834ee5d3b74d81560a2214c463431 /security/keys/Kconfig
parentb2a4df200d570b2c33a57e1ebfa5896e4bc81b69 (diff)
downloadlinux-ab3c3587f8cda9083209a61dbe3a4407d3cada10.tar.xz
KEYS: Implement a big key type that can save to tmpfs
Implement a big key type that can save its contents to tmpfs and thus swapspace when memory is tight. This is useful for Kerberos ticket caches. Signed-off-by: David Howells <dhowells@redhat.com> Tested-by: Simo Sorce <simo@redhat.com>
Diffstat (limited to 'security/keys/Kconfig')
-rw-r--r--security/keys/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/security/keys/Kconfig b/security/keys/Kconfig
index 15e0dfe8c80f..b56362275ec8 100644
--- a/security/keys/Kconfig
+++ b/security/keys/Kconfig
@@ -20,6 +20,17 @@ config KEYS
If you are unsure as to whether this is required, answer N.
+config BIG_KEYS
+ tristate "Large payload keys"
+ depends on KEYS
+ depends on TMPFS
+ help
+ This option provides support for holding large keys within the kernel
+ (for example Kerberos ticket caches). The data may be stored out to
+ swapspace by tmpfs.
+
+ If you are unsure as to whether this is required, answer N.
+
config TRUSTED_KEYS
tristate "TRUSTED KEYS"
depends on KEYS && TCG_TPM