Re: Add CHECK_FOR_INTERRUPTS in pg_buffercache_pages while scanning the buffers

Hi Masahiko,

On Thu, Aug 14, 2025 at 4:57 PM Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>
wrote:

> On Fri, Aug 8, 2025 at 2:59 PM Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>
> wrote:
> >
> > On Thu, Jul 31, 2025 at 4:31 PM SATYANARAYANA NARLAPURAM
> > <satyanarlapuram(at)gmail(dot)com> wrote:
> > >
> > > Please find attached patch that adds CHECK_FOR_INTERRUPTS while
> scanning the buffers in pg_buffercache_pages. I checked other functions in
> the module and this check already exists in pg_buffercache_numa_pages.
> >
> > Thank you for the patch!
> >
> > I think the patch is reasonable and it looks good to me. I'll push it
> > to master early next week, barring objections.
>
> After reviewing this patch more, I'm leaning toward to backpatch this
> change. The patch adds CHECK_FOR_INTERRUPTS() to
> pg_buffercache_pages(), pg_buffercache_summary(), and
> pg_buffercache_usage_counts(), and the latter two functions were
> introduced in v16. Therefore, for v15 or older we can add CFI to only
> pg_buffercache_pages() and apply this patch to v16 or newer. Thoughts?
>

Thanks for reviewing the patch. Sounds good to me.

Thanks,
Satya