> diff --git a/include/linux/dcache.h b/include/linux/dcache.h
> index 094789f..624c079 100644
> --- a/include/linux/dcache.h
> +++ b/include/linux/dcache.h
> @@ -120,6 +120,10 @@ struct dentry {
> void *d_fsdata; /* fs-specific data */
>
> struct list_head d_lru; /* LRU list */
> +#ifdef CONFIG_MEMCG_KMEM
> + struct mem_cgroup *d_memcg; /* identify per memcg lru -
> + NULL if not on lru */
> +#endif
> /*
> * d_child and d_rcu can share memory
> */
What I dislike the most about this approach, is the need to come up with
a pointer in the dentry structure.
I am not saying I have a better solution, though...
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