linux-kernel - Re: [PATCH 3/4] mm: mlock: update the interface to use folios

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <Y6lEzZtcbpp+OgvD@lucifer>
Date:   Mon, 26 Dec 2022 06:53:01 +0000
From:   Lorenzo Stoakes <lstoakes@...il.com>
To:     kernel test robot <lkp@...el.com>
Cc:     linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, oe-kbuild-all@...ts.linux.dev,
        Matthew Wilcox <willy@...radead.org>,
        Hugh Dickins <hughd@...gle.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Liam Howlett <liam.howlett@...cle.com>,
        William Kucharski <william.kucharski@...cle.com>,
        Christian Brauner <brauner@...nel.org>,
        Jonathan Corbet <corbet@....net>,
        Mike Rapoport <rppt@...nel.org>,
        Joel Fernandes <joel@...lfernandes.org>
Subject: Re: [PATCH 3/4] mm: mlock: update the interface to use folios

On Mon, Dec 26, 2022 at 09:05:42AM +0800, kernel test robot wrote:
>    mm/mlock.c: In function 'mlock_pte_range':
> >> include/linux/page-flags.h:273:43: error: '_Generic' selector of type 'void *' is not compatible with any association
>      273 | #define page_folio(p)           (_Generic((p),                          \
>          |                                           ^
>    mm/mlock.c:323:25: note: in expansion of macro 'page_folio'
>      323 |                 folio = page_folio(pmd_page(*pmd));
>          |                         ^~~~~~~~~~
>

OK so this is a product of motorola_pgtable.h defining pmd_page() as NULL and
the type magic in page_folio() getting confused. Easy fix, will spin a v2.