Re: [PATCH] ext3_clear_inode(): avoid kfree(NULL)

[Arjan van de Ven]

> 
> Because at that callsite, NULL is the common case.  We avoid a do-nothing
> function call most of the time.  It's a nano-optimisation.

but a function call is basically free, while an if () is not... even
with unlikely()...

sounds like a misoptimization to me.


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