Re: Stack Sizes

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This question might be worth asking in kernel Janitor mailing list. They
also use a few tools for static code checking.

On Fri, Jun 12, 2026 at 5:05=E2=80=AFAM Agatha Isabelle Moreira <code@agath=
a.dev>
wrote:

> Hi,
>
> The kernel documentation says that any function that uses more than 512
> bytes on the stack is a candidate for change.
>
> However, it doesn't say under what conditions (what config options).
>
> I found 193 functions matching, some with stacks quite larger than that.
> I suspect this could be the result of some config options, maybe.
>
> What would you recommend me checking?
>
> --
> Agatha Isabelle Moreira
> Systems Engineer | C
>
> _______________________________________________
> Kernelnewbies mailing list
> [email protected]
> https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
>


--=20
Thank you
Warm Regards
Anuz

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<div dir=3D"ltr"><div>This question might be worth asking in kernel Janitor=
 mailing list. They also use a few tools for static code checking.=C2=A0</d=
iv></div><br><div class=3D"gmail_quote gmail_quote_container"><div dir=3D"l=
tr" class=3D"gmail_attr">On Fri, Jun 12, 2026 at 5:05=E2=80=AFAM Agatha Isa=
belle Moreira &lt;<a href=3D"mailto:[email protected]">[email protected]</a>&gt=
; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px=
 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi,<br>
<br>
The kernel documentation says that any function that uses more than 512<br>
bytes on the stack is a candidate for change.<br>
<br>
However, it doesn&#39;t say under what conditions (what config options).<br=
>
<br>
I found 193 functions matching, some with stacks quite larger than that.<br=
>
I suspect this could be the result of some config options, maybe.<br>
<br>
What would you recommend me checking?<br>
<br>
-- <br>
Agatha Isabelle Moreira<br>
Systems Engineer | C<br>
<br>
_______________________________________________<br>
Kernelnewbies mailing list<br>
<a href=3D"mailto:[email protected]" target=3D"_blank">Kernel=
[email protected]</a><br>
<a href=3D"https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies" =
rel=3D"noreferrer" target=3D"_blank">https://lists.kernelnewbies.org/mailma=
n/listinfo/kernelnewbies</a><br>
</blockquote></div><div><br clear=3D"all"></div><br><span class=3D"gmail_si=
gnature_prefix">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature">Th=
ank you <br>Warm Regards<br>Anuz<br></div>

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