linux-kernel - Re: [PATCH 4/6] KEYS: Add garbage collection for dead, revoked and expired keys. [ver #2]

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Date:	Tue, 4 Aug 2009 18:39:06 -0500
From:	"Serge E. Hallyn" <serue@...ibm.com>
To:	David Howells <dhowells@...hat.com>
Cc:	torvalds@...l.org, akpm@...ux-foundation.org, jmorris@...ei.org,
	linux-kernel@...r.kernel.org, linux-security-module@...r.kernel.org
Subject: Re: [PATCH 4/6] KEYS: Add garbage collection for dead, revoked and
	expired keys. [ver #2]

Quoting David Howells (dhowells@...hat.com):
> Add garbage collection for dead, revoked and expired keys.  This involved
> erasing all links to such keys from keyrings that point to them.  At that
> point, the key will be deleted in the normal manner.
> 
> Keyrings from which garbage collection occurs are shrunk and their quota
> consumption reduced as appropriate.
> 
> Dead keys (for which the key type has been removed) will be garbage collected
> immediately.
> 
> Revoked and expired keys will hang around for a number of seconds, as set in
> /proc/sys/kernel/keys/gc_delay before being automatically removed.  The default
> is 5 minutes.
> 
> Signed-off-by: David Howells <dhowells@...hat.com>

Acked-by: Serge Hallyn <serue@...ibm.com>
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