Re: memset as memzero

Oleg Verych (nntp)
2007-09-22T20:37:37Z

22-09-2007, Bernd Eckenfels:
> In article <20070922124659.741cca42@laptopd505.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)
_____