Re: [PATCH 1/2] Btrfs: add leak debug for extent map

[Liu Bo <bo.li.liu@oracle.com>]

On Fri, Jan 11, 2013 at 12:54:32PM -0800, Zach Brown wrote:
> > But after flipping slab code, I find that another callback will disable
> > merging slabs when allocating a slab, so I'm not sure if it worth doing so...
> 
> Do you mean the find_mergeable() stuff in SLUB?

Yes, that's what I'm worried about.

> 
> > What do you think about it?
> 
> I don't know, pass in a callback to destruction?
> 
> void kmem_cache_destroy_inuse_cb(struct kmem_cache *s,
>                                  void (*objcb)(void *));
> 
> I'd try to spend as little time on this as possible.  Get the most basic
> thing working to demonstrate the idea and send it to lkml to get
> feedback.
> 
> - z

Okay, I'll send a RFC, and thanks for the suggestion :)

thanks,
liubo