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From: =?UTF-8?Q?Cristian_Rodr=C3=ADguez?= <crrodriguez@opensuse.org>
Date: Wed, 8 Mar 2023 11:53:46 -0300
Message-ID: <CAPBLoAeia8Nbwcq7MODsgdYcqHOOCK1U91DRgzROMXVCh0+scQ@mail.gmail.com>
Subject: Re: [RFC] Stack allocation, hugepages and RSS implications
To: Cupertino Miranda <cupertino.miranda@oracle.com>
Cc: libc-alpha@sourceware.org, "Jose E. Marchesi" <jose.marchesi@oracle.com>, 
	Elena Zannoni <elena.zannoni@oracle.com>, Cupertino Miranda <cupertinomiranda@gmail.com>
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On Wed, Mar 8, 2023 at 11:17=E2=80=AFAM Cupertino Miranda via Libc-alpha
<libc-alpha@sourceware.org> wrote:
>
>
> Hi everyone,

> In any case, I wonder if there is an actual use case where an hugepage wo=
uld
> survive glibc stack allocation and will bring an actual benefit.
>
> Looking forward for your comments.

I think you could just post a patch to disable hugepages for this allocatio=
n.
Are you sure this is the only case though ? There are probably several
cases where using hugepages is non-optimal.