Re: [PATCH] no need to check for NULL before calling kfree() -fs/ext2/

[Marcin Dalecki]

On 2005-03-27, at 00:21, linux-os wrote:
> Always, always, a call will be more expensive than a branch
> on condition. It's impossible to be otherwise. A call requires
> that the return address be written to memory (the stack),
> using register indirection (the stack-pointer).
Needless to say that there are enough architectures out there, which 
don't even
have something like an explicit call as separate assembler 
instruction...

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