[Devel] Re: [RFC][PATCH 2/4] res_counter check usage under val

[Pavel Emelyanov]

> I get your point. Logically this lock is unnecessary.
> (And seems this patch itself is buggy..(maybe refresh miss))
> 
> BTW, I'm sorry if I misunderstand. unsigned long long (on x86-32)
> can be compared safely ? 

Oops... Indeed. 
That discourages me, that we need a spinlock for simple comparisons :(
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