Paul Jackson <[email protected]> wrote:
>
> Would the following accomplish the same thing as your patch, to shrink
> UP dentry structs back to 128 bytes, with a smaller and less intrusive
> patch?
>
> ...
> - struct list_head d_child; /* child of parent list */
> + union { /* Fit 32 bit UP dentry in 128 bytes */
> + struct list_head du_child; /* child of parent list */
> + struct rcu_head du_rcu;
> + } d_du;
> ...
>
> +#define d_child d_du.du_child
> +#define d_rcu d_du.du_rcu
Yes, but it's better to just do the big edit, rather than letting these
little namespace crufties accumulate over time.
Even better would be to ditch gcc-2.95.x and use an anonymous union, but
Hugh won't let me ;)
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