Re: [PATCH v3 0/4] mm: improve large folio readahead and alignment for exec memory

[Lorenzo Stoakes]

On Fri, Apr 10, 2026 at 12:03:03PM +0100, Usama Arif wrote:
>
>
> On 02/04/2026 19:08, Usama Arif wrote:
> > v2 -> v3: https://lore.kernel.org/all/20260320140315.979307-1-usama.arif@xxxxxxxxx/
> > - Take into account READ_ONLY_THP_FOR_FS for elf alignment by aligning
> >   to HPAGE_PMD_SIZE limited to 2M (Rui)
> > - Reviewed-by tags for patch 1 from Kiryl and Jan
> > - Remove preferred_exec_order() (Jan)
> > - Change ra->order to HPAGE_PMD_ORDER if vma_pages(vma) >= HPAGE_PMD_NR
> >   otherwise use exec_folio_order() with gfp &= ~__GFP_RECLAIM for
> >   do_sync_mmap_readahead().
> > - Change exec_folio_order() to return 2M (cont-pte size) for 64K base
> >   page size for arm64.
> > - remove bprm->file NULL check (Matthew)
> > - Change filp to file (Matthew)
> > - Improve checking of p_vaddr and p_vaddr (Rui and Matthew)
> >
>
> Hello!
>
> Just wanted to check if there was any feedback/review on the latest
> revision?

It's -rc7, this is definitely something for next cycle :)

On my part, my upstream bandwidth has drastically reduced, and review is
probably going to have to be a hobbyist thing at least for now.

Also, not to be mean but:

$ git log -E -i --grep "(Reviewed|Acked)-by: Usama Arif" --oneline | wc -l
21

So... :)

Review in mm is very lop-sided, let's try to balance it out a bit!

>
> Thanks!
>

Thanks, Lorenzo