Re: [PATCH 08/21] dynamic_debug: factor show_ddebug_query out of ddebug_parse_query

From: Bart Van Assche
Date: Mon Jul 25 2011 - 07:11:26 EST


On Sat, Jul 16, 2011 at 11:32 PM, Jim Cromie <jim.cromie@xxxxxxxxx> wrote:
> using kasprintf would entail;
> - a local char* var,
> - a call to the string-producer (show_ddebug_query above)
> - a kfree(var)
> all in the caller context.
> Using a preallocated string buffer avoids this,
> and is slightly more efficient wrt kallocs.

I'm still missing an explanation why the static variable "prbuf_query"
is necessary. Wouldn't eliminating that static variable make the code
more elegant ?

Bart.
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