Messages in this thread | | | From | Marcin Dalecki <> | Subject | Re: [PATCH] no need to check for NULL before calling kfree() -fs/ext2/ | Date | Sun, 27 Mar 2005 00:34:12 +0100 |
| |
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...
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |