On Sat, 22 Sep 2007, Cyrill Gorcunov wrote:
> Hi list,
>
> could anyone tell me why there is no official memzero function (or
> macros) in the kernel. As I see a lot of kernel parts calls for it
> (defying own macros as alias to memset). Maybe there is a special
> reason not to do so? Actually my suggestion is to define _one_
> general macros for this.
i brought up this issue on the KJ list once upon a time:
https://lists.linux-foundation.org/pipermail/kernel-janitors/2007-February/017847.html
and there didn't seem to be much enthusiasm for it.
however, i am still curious why there isn't more use of the
already-defined "clear_page" macro. most architectures appear to
define it:
$ grep -r "define.*clear_page" include
but there are still numerous explicit calls to memset() to zero a
chunk of memory that is exactly PAGE_SIZE in size. just an
observation.
rday
--
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA
http://crashcourse.ca
========================================================================
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