From e8722fc5a2a8cc50683ef533a417bf1e65ace499 Mon Sep 17 00:00:00 2001 From: Michael Kerrisk Date: Tue, 13 Dec 2016 13:48:37 +0100 Subject: [PATCH] keyrings.7: Rework 'big_key' text a little Signed-off-by: Michael Kerrisk --- man7/keyrings.7 | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/man7/keyrings.7 b/man7/keyrings.7 index 3e389335a..ca7c8cc7c 100644 --- a/man7/keyrings.7 +++ b/man7/keyrings.7 @@ -148,14 +148,15 @@ that should not be readable from user space. This key type is similar to the .I """user""" key type, but it may hold a payload of up to 1 MiB in size. +This key type is useful for tasks such as holding Kerberos ticket caches. + The data may be stored in the swap space rather than in kernel memory if the data size exceeds the overhead of storing the data encrypted -in swap space -(a tmpfs file is used, which requires filesystem structures +in swap space. +(A tmpfs file is used, which requires filesystem structures to be allocated in the kernel; -the size of these determines the size threshold -above which the tmpfs storage method is used). -This key type is useful for tasks such as holding Kerberos ticket caches. +The size of these structures determines the size threshold +above which the tmpfs storage method is used.) .PP There are more specialized key types available also, but they aren't discussed here