Re: [PATCH v3 1/3] mm/hugetlb: Make hugetlb_reserve_pages() return nr of entries updated

[Andrew Morton <akpm@linux-foundation.org>]

On Tue, 20 May 2025 22:19:35 -0700 Vivek Kasireddy <vivek.kasireddy@intel.com> wrote:

> Currently, hugetlb_reserve_pages() returns a bool to indicate whether
> the reservation map update for the range [from, to] was successful or
> not. This is not sufficient for the case where the caller needs to
> determine how many entries were updated for the range.
> 
> Therefore, have hugetlb_reserve_pages() return the number of entries
> updated in the reservation map associated with the range [from, to].
> Also, update the callers of hugetlb_reserve_pages() to handle the new
> return value.

Everyone has forgotten, so please refresh, retest and resend after
-rc1?

Also, patch [2/3] addresses a BUG which was introduced into 6.12. 
Presumably we want to backport the fix into -stable?  If so, it's
better to present this as a standalone patch, including the cc:stable
tag.  This is because I'd be looking to fast-track the fix into the
6.16-rcX cycle whereas less urgent things would be routed into
6.17-rc1.

Also, [2/3] has

	Reported-by: syzbot+a504cb5bae4fe117ba94@syzkaller.appspotmail.com

which is kind of annoying if one wishes to see the syzbot report.  OK,
it takes takes 30 seconds of googling, but adding a Closes: link is
nice.