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Home » Mailing list archives » linux-kernel » 2008 » January » 16

Re: [PATCH 00/26] Permit filesystem local caching

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From: Kyle Moffett <mrlinuxman@...>
To: David Howells <dhowells@...>
Cc: <sds@...>, <casey@...>, <Trond.Myklebust@...>, <npiggin@...>, <linux-kernel@...>, <selinux@...>, <linux-security-module@...>
Subject: Re: [PATCH 00/26] Permit filesystem local caching
Date: Tuesday, January 15, 2008 - 10:24 pm

On Jan 15, 2008, at 18:46, David Howells wrote:

One vaguely related question:  Is there presently any way to adjust  
the per-user max-key-data limit? I've been tinkering with using the  
new-ish MIT kerberos "KEYRING:" credentials-cache code to hold keys  
for persistent daemons.  Unfortunately "root" keeps hitting the limit  
even with only about 16 keys allocated across a few sessions.  After  
perusing the docs I can't find any documentation on adjusting the  
limits.

I'd really like some way to specifically allow root to allocate up to  
several megs worth of non-swappable key data, although I suppose just  
increasing the global limit slightly wouldn't be bad either.  If such  
functionality already exists then I'd appreciate a pointer to it (and  
possibly respond in kind with documentation patches).

Cheers,
Kyle Moffett

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Messages in current thread:
[PATCH 00/26] Permit filesystem local caching, David Howells, (Tue Jan 15, 7:46 pm)
Re: [PATCH 00/26] Permit filesystem local caching, Kyle Moffett, (Tue Jan 15, 10:24 pm)
Re: [PATCH 00/26] Permit filesystem local caching, David Howells, (Wed Jan 16, 12:55 pm)
Re: [PATCH 00/26] Permit filesystem local caching, James Morris, (Tue Jan 15, 9:52 pm)
Re: [PATCH 00/26] Permit filesystem local caching, James Morris, (Tue Jan 15, 8:58 pm)
Re: [PATCH 00/26] Permit filesystem local caching, David Howells, (Wed Jan 16, 12:48 pm)
[PATCH 26/26] NFS: Separate caching by superblock, explicitl..., David Howells, (Tue Jan 15, 7:49 pm)
[PATCH 25/26] NFS: Display local caching state, David Howells, (Tue Jan 15, 7:49 pm)
[PATCH 24/26] NFS: Configuration and mount option changes to..., David Howells, (Tue Jan 15, 7:49 pm)
[PATCH 23/26] NFS: Use local caching, David Howells, (Tue Jan 15, 7:48 pm)
[PATCH 21/26] CacheFiles: A cache that backs onto a mounted ..., David Howells, (Tue Jan 15, 7:48 pm)
[PATCH 22/26] NFS: Fix memory leak, David Howells, (Tue Jan 15, 7:48 pm)
[PATCH 19/26] CacheFiles: Permit the page lock state to be m..., David Howells, (Tue Jan 15, 7:48 pm)
[PATCH 20/26] CacheFiles: Export things for CacheFiles, David Howells, (Tue Jan 15, 7:48 pm)
[PATCH 18/26] CacheFiles: Add a hook to write a single page ..., David Howells, (Tue Jan 15, 7:48 pm)
[PATCH 15/26] FS-Cache: Generic filesystem caching facility, David Howells, (Tue Jan 15, 7:48 pm)
[PATCH 17/26] CacheFiles: Be consistent about the use of map..., David Howells, (Tue Jan 15, 7:48 pm)
[PATCH 16/26] CacheFiles: Add missing copy_page export for i..., David Howells, (Tue Jan 15, 7:48 pm)
[PATCH 08/26] Add a secctx_to_secid() LSM hook to go along w..., David Howells, (Tue Jan 15, 7:47 pm)
Re: [PATCH 08/26] Add a secctx_to_secid() LSM hook to go alo..., James Morris, (Tue Jan 15, 9:05 pm)
Re: [PATCH 08/26] Add a secctx_to_secid() LSM hook to go alo..., Paul Moore, (Wed Jan 16, 9:41 am)
Re: [PATCH 08/26] Add a secctx_to_secid() LSM hook to go alo..., James Morris, (Wed Jan 16, 6:13 pm)
Re: [PATCH 08/26] Add a secctx_to_secid() LSM hook to go alo..., Paul Moore, (Wed Jan 16, 6:19 pm)
Re: [PATCH 08/26] Add a secctx_to_secid() LSM hook to go alo..., Casey Schaufler, (Wed Jan 16, 1:08 pm)
[PATCH 13/26] FS-Cache: Recruit a couple of page flags for c..., David Howells, (Tue Jan 15, 7:48 pm)
[PATCH 12/26] FS-Cache: Release page-&gt;private after faile..., David Howells, (Tue Jan 15, 7:47 pm)
[PATCH 14/26] FS-Cache: Provide an add_wait_queue_tail() fun..., David Howells, (Tue Jan 15, 7:48 pm)
[PATCH 10/26] Security: Add a kernel_service object class to..., David Howells, (Tue Jan 15, 7:47 pm)
[PATCH 09/26] Security: Pre-add additional non-caching classes, David Howells, (Tue Jan 15, 7:47 pm)
[PATCH 11/26] Security: Allow kernel services to override LS..., David Howells, (Tue Jan 15, 7:47 pm)
[PATCH 06/26] Security: Separate task security context from ..., David Howells, (Tue Jan 15, 7:47 pm)
[PATCH 06b/26] Security: Make NFSD work with detached security, David Howells, (Thu Jan 17, 1:17 pm)
Re: [PATCH 06b/26] Security: Make NFSD work with detached se..., J. Bruce Fields, (Thu Jan 17, 4:48 pm)
Re: [PATCH 06b/26] Security: Make NFSD work with detached se..., David Howells, (Thu Jan 17, 6:48 pm)
Re: [PATCH 06b/26] Security: Make NFSD work with detached se..., David Howells, (Thu Jan 17, 7:02 pm)
[PATCH 06a/26] Extra task_struct -&gt; task_security separation, David Howells, (Thu Jan 17, 1:14 pm)
[PATCH 07/26] Security: De-embed task security record from t..., David Howells, (Tue Jan 15, 7:47 pm)
[PATCH 05/26] Security: Change current-&gt;fs[ug]id to curre..., David Howells, (Tue Jan 15, 7:47 pm)
[PATCH 03/26] KEYS: Allow the callout data to be passed as a..., David Howells, (Tue Jan 15, 7:47 pm)
[PATCH 04/26] KEYS: Add keyctl function to get a security la..., David Howells, (Tue Jan 15, 7:47 pm)
Re: [PATCH 04/26] KEYS: Add keyctl function to get a securit..., Stephen Smalley, (Wed Jan 16, 11:47 am)
[PATCH 01/26] KEYS: Increase the payload size when instantia..., David Howells, (Tue Jan 15, 7:46 pm)
[PATCH 02/26] KEYS: Check starting keyring as part of search, David Howells, (Tue Jan 15, 7:47 pm)

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