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

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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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