Hi,

On Wed, Jun 25, 2025 at 11:00:38AM +0200, Christoph Berg wrote:
> Re: Bertrand Drouvot
> > +/*
> > + * Work around Linux kernel bug in 32-bit compat mode: do_pages_stat() has
> > + * incorrect pointer arithmetic for more than DO_PAGES_STAT_CHUNK_NR pages.
> > + */
> > +#if SIZEOF_SIZE_T == 4
> 
> I was also missing it in my suggested patch draft, but this should
> probably include #ifdef __linux__.

I'm not sure because the workaround is after this part of the code in pg_numa.c:

"
/*
 * At this point we provide support only for Linux thanks to libnuma, but in
 * future support for other platforms e.g. Win32 or FreeBSD might be possible
 * too. For Win32 NUMA APIs see
 * https://learn.microsoft.com/en-us/windows/win32/procthread/numa-support
 */
#ifdef USE_LIBNUMA
"

So I guess that the "#ifdef __linux__" would have to be at a higher level anyway
(should we support NUMA on more than Linux in the future).

Regards,

-- 
Bertrand Drouvot
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com


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