Re: [外部邮件] Re: [PATCH] mm/hugetlb: early exit from hugetlb_pages_alloc_boot() when max_huge_pages=0

[David Hildenbrand]

On 14.08.25 11:12, Li,Rongqing wrote:
> > On 14.08.25 10:29, lirongqing wrote:
> > > From: Li RongQing <lirongqing@xxxxxxxxx>
> > >
> > > Optimize hugetlb_pages_alloc_boot() to return immediately when
> > > max_huge_pages is 0, saving cycles when hugepages aren't configured in
> > > the kernel command line.
> >
> > Do we really care?
>
> I find this when I see the boot log, I think this log is unnecessary if user did not configure hugetlbfs in kernel cmdline
>
> kernel: HugeTLB: allocation took 0ms with hugepage_allocation_threads=32

That's valuable information to add to the patch description :)

--
Cheers

David / dhildenb