Re: [PATCH -mm] add a kmem_cache for nsproxy objects

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On Tue, 19 Jun 2007, Andrew Morton wrote:

> On Mon, 18 Jun 2007 22:53:13 +0200
> Cedric Le Goater <[email protected]> wrote:
> 
> > +static int __init nsproxy_cache_init(void)
> > +{
> > +	nsproxy_cachep = kmem_cache_create("nsproxy", sizeof(struct nsproxy),
> > +					   0, SLAB_PANIC, NULL, NULL);
> > +	return 0;
> > +}
> > +
> 
> Christoph added this cheesy KMEM_CACHE macro.  But I don't immediately recall
> the rationale so I'm a bit reluctant to ask people to use-the-cheesy-macro.
> 
> Perhaps he can remind us why it is there?

Because it simplifies the handling of slabs.

The above will could become:

nsproxy_cachep = KMEM_CACHE(nsproxy, SLAB_PANIC);

meaning create a cache for the nsproxy struct, the nsproxy name and the 
nsproxy size. See include/linux/slab.h.
?

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