From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 478CE28C5CC for ; Thu, 10 Jul 2025 08:23:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752135787; cv=none; b=FSHRh0NNtTnBXRTU47i87SQlRHr4XSahFFRFnqun9m6Zjl7mDlvC0Rl2FtSszYfpGO4QGWbQ1U6dG7XXicrSCT0KQTBXrC21D37w5MprWEHxP2M/GhhRE2GZOXRbNGKPKC0pllLHhKOZLYlmza4oCzzLDFUw6QF2SOg2BH9ufJI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752135787; c=relaxed/simple; bh=BrBI68KFgcdqMo9RpMgabneyAtFTdn7ZRHsyJTBtP9M=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=GgvYTI9XRuTz8MIQtIDoSrvABn3I8bw/0kA/xKC/g+RiaY01ZqziXd2D+B12viVEtOFm2s+I1doFE2E0Lu7kPtJ8ckkQk0dOl5SDy/qrKdyWBr+XNXHbW53jh5lSXBaHlYQSyFNPWryERbjCrnZMAceiX8oJmVdVaCbw+ZheirE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=CE/7Afy+; arc=none smtp.client-ip=192.198.163.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="CE/7Afy+" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1752135786; x=1783671786; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=BrBI68KFgcdqMo9RpMgabneyAtFTdn7ZRHsyJTBtP9M=; b=CE/7Afy+tZDUhc1HbGpstn8PCSAl440zY/zz5JYC5RzVCeQ2qhDlLA99 rtiXjLBqBXeEBvbFRlm4H8p7QuQgG0l4MPuQAR48bG8VbcQNmPTO7UGip 1usihxob19+OmgQeUDfEfsy9l2gW1cBbzqeaS7gZnggPVwmDusk9xsflC 3M2cj94GS1hb75emZ6U0zSqhzLLXkGbQI18sLYi6BKQoJ5+8zQT/phIcs 92uEZULZnuzAQfiCkv9q6Jmdh27AbzNALTqroW40hKx+CWk6Z8S3silhh qlDpbpHAUXC49fvD6ylavXylLn+q8k3Sv1LImrdEE/H0sscdRAn17Tuw4 w==; X-CSE-ConnectionGUID: pXpV69uHR2q7Uqw5GSCPkA== X-CSE-MsgGUID: 2RiH2vWhTnqhm/WQ76EF4A== X-IronPort-AV: E=McAfee;i="6800,10657,11489"; a="42036955" X-IronPort-AV: E=Sophos;i="6.16,300,1744095600"; d="scan'208";a="42036955" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jul 2025 01:23:06 -0700 X-CSE-ConnectionGUID: tCWSlxrLRK2BF40910RQAw== X-CSE-MsgGUID: W4qf19BJRIywLHi2soXl1Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,300,1744095600"; d="scan'208";a="161671672" Received: from black.fi.intel.com ([10.237.72.28]) by orviesa005.jf.intel.com with ESMTP; 10 Jul 2025 01:23:02 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id DE1951B7; Thu, 10 Jul 2025 11:23:00 +0300 (EEST) From: Andy Shevchenko To: Leon Romanovsky , linux-mm@kvack.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev Cc: =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Andrew Morton , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Andy Shevchenko Subject: [PATCH v1 1/1] locking/lockdep: Move pmd_to_hmm_pfn_flags() to the respective #ifdeffery Date: Thu, 10 Jul 2025 11:22:57 +0300 Message-ID: <20250710082257.663850-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.47.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit When pmd_to_hmm_pfn_flags() is unused, it prevents kernel builds with clang, `make W=1` and CONFIG_TRANSPARENT_HUGEPAGE=n: mm/hmm.c:186:29: warning: unused function 'pmd_to_hmm_pfn_flags' [-Wunused-function] Fix this by moving the function to the respective existing ifdeffery for its the only user. See also: 6863f5643dd7 ("kbuild: allow Clang to find unused static inline functions for W=1 build") Fixes: 9d3973d60f0a ("mm/hmm: cleanup the hmm_vma_handle_pmd stub") Signed-off-by: Andy Shevchenko --- mm/hmm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/hmm.c b/mm/hmm.c index e8b26aa838b9..015ab243f081 100644 --- a/mm/hmm.c +++ b/mm/hmm.c @@ -183,6 +183,7 @@ static inline unsigned long hmm_pfn_flags_order(unsigned long order) return order << HMM_PFN_ORDER_SHIFT; } +#ifdef CONFIG_TRANSPARENT_HUGEPAGE static inline unsigned long pmd_to_hmm_pfn_flags(struct hmm_range *range, pmd_t pmd) { @@ -193,7 +194,6 @@ static inline unsigned long pmd_to_hmm_pfn_flags(struct hmm_range *range, hmm_pfn_flags_order(PMD_SHIFT - PAGE_SHIFT); } -#ifdef CONFIG_TRANSPARENT_HUGEPAGE static int hmm_vma_handle_pmd(struct mm_walk *walk, unsigned long addr, unsigned long end, unsigned long hmm_pfns[], pmd_t pmd) -- 2.47.2