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Thu, 04 Apr 2024 03:42:48 -0700 (PDT) MIME-Version: 1.0 From: Miguel Ojeda Date: Thu, 4 Apr 2024 12:42:12 +0200 Message-ID: Subject: mm/gup.c:679:22: error: call to '__compiletime_assert_382' declared with 'error' attribute: BUILD_BUG failed To: Peter Xu , Andrew Morton Cc: Jason Gunthorpe , Linux Memory Management List Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 727A41C0008 X-Rspam-User: X-Rspamd-Server: rspam02 X-Stat-Signature: 1bq74szjbbm3kignf6rcuiasqeebbwkz X-HE-Tag: 1712227369-202412 X-HE-Meta: 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 r/m5UFUy BB9j/vlzmQfkG5FBt+vqsBjck7LBqFfIw8TR8L5D+OMOO9y2zjDnAL4YaXXmQwM05XV+mvKIN5sbgJRCu528MX8ImuSUZ7yh387o9aiM5DHTVCkxTqFJ2nO1lOsIBmVZbkk68cri+MManU7UL/iFYSWZuVnRCp4byG4iXdd5hy6d+KmA1Liwulr+0/qZZ/MnKfzeLJZpSoYifRfo/Qat5tShSC7gzz+3YyLrx6ukpldJK1UKG8fMVbTKcOGtanC5hR3zS4p9NfByagRJUzIYfkJSnkMIjD03zLsrMk3VEbunDU0tMrHPSYhI4+fJyKOCcBMFxGhRX0F7Q55luipXzivGocLq9/hxYObZgcx5w49WMZ4cZOBWDHFLUKVEANLptbXubFgeIlOgJC4Duz6sDT7pYAwF8yuNUR3mBN9XbtBI1v95+sAOYIB1reP/4c+3kPdnjngdOEImscjUOIB06Gxxws4jcYiESiWpZhDxEPpR4NeA= X-Bogosity: Ham, tests=bogofilter, spamicity=0.221689, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Peter, Andrew, I am not sure if this is one of the issues that Peter mentioned [1] to be resolved or not eventually, but I have spotted this in the last couple -next runs for a LLVM=1 loongarch64 defconfig build [2]. Hope that helps! Cheers, Miguel [1] https://lore.kernel.org/all/ZgMzaMu7oILiNLcG@x1n/ [2] mm/gup.c:679:22: error: call to '__compiletime_assert_382' declared with 'error' attribute: BUILD_BUG failed 679 | unsigned long pfn = pud_pfn(pud); | ^ ./include/linux/pgtable.h:1887:23: note: expanded from macro 'pud_pfn' 1887 | #define pud_pfn(x) ({ BUILD_BUG(); 0; }) | ^ ./include/linux/build_bug.h:59:21: note: expanded from macro 'BUILD_BUG' 59 | #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed") | ^ ./include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) ././include/linux/compiler_types.h:448:2: note: expanded from macro '_compiletime_assert' 448 | __compiletime_assert(condition, msg, prefix, suffix) | ^ ././include/linux/compiler_types.h:441:4: note: expanded from macro '__compiletime_assert' 441 | prefix ## suffix(); \ | ^ :48:1: note: expanded from here 48 | __compiletime_assert_382 | ^ 1 error generated.