linux-kernel - mainline build failure due to e240e53ae0ab ("mm, slub: add CONFIG_SLUB

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Message-ID: <Y5hTTGf/RA2kpqOF@debian>
Date:   Tue, 13 Dec 2022 10:26:20 +0000
From:   "Sudip Mukherjee (Codethink)" <sudipm.mukherjee@...il.com>
To:     Vlastimil Babka <vbabka@...e.cz>
Cc:     Andrey Ryabinin <ryabinin.a.a@...il.com>,
        Alexander Potapenko <glider@...gle.com>,
        Andrey Konovalov <andreyknvl@...il.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        kasan-dev@...glegroups.com, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, Linus Torvalds <torvalds@...ux-foundation.org>
Subject: mainline build failure due to e240e53ae0ab ("mm, slub: add
 CONFIG_SLUB_TINY")

Hi All,

The latest mainline kernel branch fails to build xtensa allmodconfig 
with gcc-11 with the error:

kernel/kcsan/kcsan_test.c: In function '__report_matches':
kernel/kcsan/kcsan_test.c:257:1: error: the frame size of 1680 bytes is larger than 1536 bytes [-Werror=frame-larger-than=]
  257 | }
      | ^

git bisect pointed to e240e53ae0ab ("mm, slub: add CONFIG_SLUB_TINY")


I will be happy to test any patch or provide any extra log if needed.

Note:
This is only seen with gcc-11, gcc-12 builds are ok.

-- 
Regards
Sudip