Re: [nf-next PATCH v2 1/2] netfilter: xt_recent: Reduce size of struct recent_entry::nstamps

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On Thu, Jun 27, 2024 at 12:40:58AM +0200, Phil Sutter wrote:
> On Wed, Jun 26, 2024 at 06:12:43PM +0200, Pablo Neira Ayuso wrote:
> > Hi Phil,
> > 
> > On Fri, Jun 14, 2024 at 05:16:40PM +0200, Phil Sutter wrote:
> > > There is no point in this change besides presenting its possibility
> > > separate from a follow-up patch extending the size of both 'index' and
> > > 'nstamps' fields.
> > > 
> > > The value of 'nstamps' is initialized to 1 in recent_entry_init() and
> > > adjusted in recent_entry_update() to match that of 'index' if it becomes
> > > larger after being incremented. Since 'index' is of type u8, it will at
> > > max become 255 (and wrap to 0 afterwards). Therefore, 'nstamps' will
> > > also never exceed the value 255.
> > 
> > Series LGTM.
> 
> Thanks for your review.
> 
> > I'd suggest you collapse these two patches while keeping the
> > description above, because nstamps is shrinked here in 1/2 then it
> > gets back to original u16 in 2/2.
> 
> ACK, that was the plan right from the start. :)

Thanks, I have to admit splitting the patch in two helped me
understand a lot better when reviewing.

> > Maybe something like:
> 
> I composed a new note to add to the second patch. Please review and let
> me know if it's unclear or misleading.

LGTM, thanks




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