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SubjectRe: deferring __fput()
On Sat, Jun 23, 2012 at 10:38:00PM +0200, Oleg Nesterov wrote:

> > Matter of fact, it would become identical to struct rcu_head
> > after that...
> This is not clear to me... Why this is good?

Occam's Razor.

> I understand that sizeof(task_work) == sizeof(rcu_head) would be
> nice, probably you meant just this?

More than that - the callback type is also the same (pointer to such
struct -> void). IOW, they both look like two instances of the
same thing ("list of callbacks"), differing only in what and
when does calling.

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