linux-kernel - Re: kismet: WARNING: unmet direct dependencies detected for HUGETLBFS when selected by PPC

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Message-ID: <29cf621d-db67-6c5c-0dc5-ebe79edc6cc6@huawei.com>
Date: Wed, 5 Feb 2025 10:39:20 +0800
From: Miaohe Lin <linmiaohe@...wei.com>
To: kernel test robot <lkp@...el.com>
CC: Paul Gazzillo <paul@...zz.com>, Necip Fazil Yildiran
	<fazilyildiran@...il.com>, <oe-kbuild-all@...ts.linux.dev>,
	<linux-kernel@...r.kernel.org>, Andrew Morton <akpm@...ux-foundation.org>,
	Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: kismet: WARNING: unmet direct dependencies detected for HUGETLBFS
 when selected by PPC_8xx

On 2025/1/24 6:24, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   d0d106a2bd21499901299160744e5fe9f4c83ddb
> commit: f8142cf94d4737ea0c3baffb3b9bad8addcb9b6b hugetlb: make hugetlb depends on SYSFS or SYSCTL
> date:   2 years, 4 months ago
> config: powerpc-kismet-CONFIG_HUGETLBFS-CONFIG_PPC_8xx-0-0 (https://download.01.org/0day-ci/archive/20250124/202501240611.LDmD2nkj-lkp@intel.com/config)
> reproduce: (https://download.01.org/0day-ci/archive/20250124/202501240611.LDmD2nkj-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@...el.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202501240611.LDmD2nkj-lkp@intel.com/

Thanks for report. Sorry for late respond. I was on my Spring Festival vacation.

> 
> kismet warnings: (new ones prefixed by >>)
>>> kismet: WARNING: unmet direct dependencies detected for HUGETLBFS when selected by PPC_8xx
>    WARNING: unmet direct dependencies detected for HUGETLBFS
>      Depends on [n]: (X86 || IA64 || SPARC64 || ARCH_SUPPORTS_HUGETLBFS [=y] || BROKEN [=n]) && (SYSFS [=n] || SYSCTL [=n])
>      Selected by [y]:
>      - PPC_8xx [=y] && <choice>

I am a bit confused. HUGETLBFS depends on SYSFS or SYSCTL. How can it be selected while SYSFS [=n] || SYSCTL [=n]?
Or am I miss something?

Thanks.
.