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Message-ID: <slrnffb04u.d4n.!gmane?olecom.ENOMSG@flower.upol.cz>
Date: Sat, 22 Sep 2007 20:37:06 +0000 (UTC)
From: "Oleg Verych (nntp)" <olecom@...wer.upol.cz>
To: linux-kernel@...r.kernel.org
Subject: Re: memset as memzero
22-09-2007, Bernd Eckenfels:
> In article <20070922124659.741cca42@...topd505.fenrus.org> you wrote:
>> it doesn't add value.... memset with a constant 0 is just as fast
>> (since the compiler knows it's 0) than any wrapper around it, and the
>> syntax around it is otherwise the same.
linux/arch/x86_64/lib/memset.S isn't file for compile, but for
assembler, isn't it? Removing argument processing will have size effect.
> it would however allow easier changing if you need to add a page cleaning
> system (for example new architecture which has support for it).
[]
> On the other hand, is memset used for anything else than zero filling
> or redzone "filling"?
There are non zero ones (not sure what redzone is, though).
> Gruss
> Bernd
(Here are reply-to-all people, BTW)
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