Subject: Re: pkg/31944
To: None <email@example.com, firstname.lastname@example.org,>
From: Christos Zoulas <email@example.com>
Date: 03/07/2006 09:38:47
On Mar 7, 8:50am, firstname.lastname@example.org ("Julio M. Merino Vidal") wrote:
-- Subject: Re: pkg/31944
| The following reply was made to PR kern/31944; it has been noted by GNATS.
| From: "Julio M. Merino Vidal" <email@example.com>
| To: firstname.lastname@example.org
| Subject: Re: pkg/31944
| Date: Tue, 7 Mar 2006 09:47:21 +0100
| > 1. tmpfs doesn't free tmpfs_nodes until unmount.
| This is because, once a node has been created, tmpfs needs to keep its id
| and generation number so that if the same node is reused it carries the same
| generation number.
| Maybe the memory needs could be lowered by keeping a id->gen map? This
| way, when a node was deleted, tmpfs could insert this pair in the map for
| later reuses, avoiding the need to keep the whole node in memory. The
| problem could not disappear completely (and it looks like it cannot), but it
| would take less memory.
| Does this sound reasonable?
just keep a global generation number counter and use it to allocate generation