On Fri, 28 Dec 2007, Al Viro wrote:
> On Thu, Dec 27, 2007 at 06:19:46PM -0800, Christoph Lameter wrote:
> > nfsd4_delegations? What is this about?
>
> The random lifetimes of user-visible files you create in sysfs.
Well these are symlinks.
> > How do I scan for the symlinks in sysfs?
>
> At w
On Thu, Dec 27, 2007 at 06:19:46PM -0800, Christoph Lameter wrote:
> nfsd4_delegations? What is this about?
The random lifetimes of user-visible files you create in sysfs.
> How do I scan for the symlinks in sysfs?
At which point are you going to do that? AFAICS, the fundamental problem
is that
On Fri, 28 Dec 2007, Al Viro wrote:
> Oh, lovely. So we can have module A do kmem_cache_create(), calling
> cache "foo". Then module B does (without any knowlegde about A)
> completely unrelated kmem_cache_create(), calling the sucker "bar".
> mm/slub decides that they are mergable. Then we get
On Thu, Dec 27, 2007 at 04:02:56PM -0800, Christoph Lameter wrote:
> > Why would you want these symlinks to stick around for longer than that?
>
> /sys/kernel/slab/cache_name is a real directory but then there are the
> aliases in /sys/kernel/slab/alias_name pointing to that directory that
> als
On Thu, 27 Dec 2007, Al Viro wrote:
> On Thu, Dec 27, 2007 at 03:53:43PM -0800, Christoph Lameter wrote:
> > On Thu, 27 Dec 2007, Christoph Lameter wrote:
> >
> > > > a) remove symlink when slab goes away
> > >
> > > Ok. Need to think about how to code that.
> >
> > How do I iterate over all sy
On Thu, Dec 27, 2007 at 03:53:43PM -0800, Christoph Lameter wrote:
> On Thu, 27 Dec 2007, Christoph Lameter wrote:
>
> > > a) remove symlink when slab goes away
> >
> > Ok. Need to think about how to code that.
>
> How do I iterate over all symlinks in /sys/kernel/slab/*?
>
> I remember trying
On Thu, Dec 27, 2007 at 03:22:28PM -0800, Christoph Lameter wrote:
> > a) remove symlink when slab goes away
>
> Ok. Need to think about how to code that.
Huh? Just call it from kmem_cache_destroy(); what business does that symlink
have being around after that point?
> > b) instead of kfree() i
On Thu, 27 Dec 2007, Christoph Lameter wrote:
> > a) remove symlink when slab goes away
>
> Ok. Need to think about how to code that.
How do I iterate over all symlinks in /sys/kernel/slab/*?
I remember trying to do it before and not being able to find a sysfs
method for that.
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On Thu, 27 Dec 2007, Al Viro wrote:
> On Thu, Dec 27, 2007 at 12:28:14PM -0800, Christoph Lameter wrote:
> > Hmmm.. If I separately allocate the kobject then I can no longer get to
> > the kmem_cache structure from the kobject.
> >
> > I need to add a second kobject_del to sysfs_slab_remove() t
On Thu, Dec 27, 2007 at 12:28:14PM -0800, Christoph Lameter wrote:
> Hmmm.. If I separately allocate the kobject then I can no longer get to
> the kmem_cache structure from the kobject.
>
> I need to add a second kobject_del to sysfs_slab_remove() to make sysfs
> completely forget about the obj
Hmmm.. If I separately allocate the kobject then I can no longer get to
the kmem_cache structure from the kobject.
I need to add a second kobject_del to sysfs_slab_remove() to make sysfs
completely forget about the object?
Probably should track down any remaining symlinks at that point and nuk
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