[PATCH v4 4/6] tunables: Add glibc.elf.hugetlb tunable for THP-aware segment alignment

[WANG Rui]

On Thu, Mar 5, 2026 at 11:06 AM Xi Ruoyao <xry111@xry111.site> wrote:
>
> On Thu, 2026-03-05 at 10:58 +0800, WANG Rui wrote:
> > diff --git a/manual/tunables.texi b/manual/tunables.texi
> > index 72769428e8c..6259ab465ec 100644
> > --- a/manual/tunables.texi
> > +++ b/manual/tunables.texi
> > @@ -64,6 +64,7 @@ glibc.pthread.mutex_spin_count: 100 (min: 0, max: 32767)
> >  glibc.rtld.optional_static_tls: 0x200 (min: 0x0, max: 0xffffffffffffffff)
> >  glibc.malloc.tcache_max: 0x0 (min: 0x0, max: 0xffffffffffffffff)
> >  glibc.malloc.check: 0 (min: 0, max: 3)
> > +glibc.elf.hugetlb: 0 (min: 0, max: 2147483647)
>
> Should we set max to 1 (also in dl-tunables.list add maxval: 1)?

Yes, it is meant to be a boolean flag. I'll limit it to 0-1.

Thanks,
Rui