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

Usama Arif
2026-04-10T12:19:30Z

On 10/04/2026 12:57, Lorenzo Stoakes wrote:
> On Fri, Apr 10, 2026 at 12:55:42PM +0100, Lorenzo Stoakes wrote:
>> 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@linux.dev/
>>>> - 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
>
> (Note that we're in a 'quiet period' from here until -rc1 of next cycle and
> won't be taking anything new until then. We plan to do this from around rc5 or
> rc6 of each cycle in future).

Thanks! Just wanted to check, as I am always confused about this. Is it ok
to send patches for review for next release at this time? So that they
are in a good state when rc1 comes. I wanted to send PMD swap entries
for review after I am finished testing, but I want them for review for
next release.