From nobody Mon Feb 9 09:36:11 2026 Received: from dggsgout11.his.huawei.com (dggsgout11.his.huawei.com [45.249.212.51]) (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 07E282135C8 for ; Wed, 26 Feb 2025 09:28:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.51 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740562142; cv=none; b=H6RFugQQevRs4RkVMloFMWAg8pYI3wotxHWtF++posBd9En6CXfGcIXzyK3B5NEXAcixVKs72XZGuSj9JghY1TeyUgbRLYPqtx/xtO1KbVcXztYaz1Ignau1gCn5AToLAUHXIvwo4WOsNlwSd/oocVq95F8+sf1dSckXTVHMa+o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740562142; c=relaxed/simple; bh=a+F458GU1I94B8Pd1fiZZSFktaTFIM7f8pqraQhH+8I=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=X+YTntUTApqsgolvW+ruPFZKQkCiSKJIkKOkHRT+MfAGLCol8sLMEQe+MN4F6qDldjZhARlfpCWaqEx+uwzEl5JUIwvy0xzM1sy1osqX40PzaGiFIJisKf0rtAm0huntMD+vZaW6SlFCT/S6kuDN5X1NAug0tkeZxWZN+OASQFU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.93.142]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4Z2q0Q5GHWz4f3jqj for ; Wed, 26 Feb 2025 17:28:38 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.75]) by mail.maildlp.com (Postfix) with ESMTP id 414CE1A0847 for ; Wed, 26 Feb 2025 17:28:55 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.101.6]) by APP2 (Coremail) with SMTP id Syh0CgCXU2bV3r5naYetEw--.50393S2; Wed, 26 Feb 2025 17:28:55 +0800 (CST) From: Kemeng Shi To: akpm@linux-foundation.org, kasong@tencent.com Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH] mm: swap: fix build warning when CONFIG_SWAP is not set Date: Thu, 27 Feb 2025 02:25:11 +0800 Message-Id: <20250226182511.592796-1-shikemeng@huaweicloud.com> X-Mailer: git-send-email 2.30.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: Syh0CgCXU2bV3r5naYetEw--.50393S2 X-Coremail-Antispam: 1UD129KBjvdXoW7XFW5JF48Xr1xGF4rArW3GFg_yoW3Grc_u3 s3JayrWr4kGF1xuwn2kas2qFyaga4xWr1DuFn5GF12vF15Aan5twn2gryfXry7W3Z7CrW8 J3W8ur4fZrnFkjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb7xYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20E Y4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l87I20VAvwVAaII0Ic2I_JFv_Gryl8c AvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVW7JVWD JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_Gc CE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxI r21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1j6r18McIj6I8E87 Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41l42xK82IY c2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s 026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r126r1DMIIYrxkI7VAKI48JMIIF 0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF0x vE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv 6xkF7I0E14v26r1j6r4UYxBIdaVFxhVjvjDU0xZFpf9x07j-6pPUUUUU= X-CM-SenderInfo: 5vklyvpphqwq5kxd4v5lfo033gof0z/ Content-Type: text/plain; charset="utf-8" Fix build warning that folio_alloc_swap is defined but not used when CONFIG_SWAP is not set. Fixes: b79768ab943cf ("mm, swap: simplify folio swap allocation") Signed-off-by: Kemeng Shi --- include/linux/swap.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/swap.h b/include/linux/swap.h index 3a68da686c4e..d1f5414ea537 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -587,7 +587,7 @@ static inline int swp_swapcount(swp_entry_t entry) return 0; } =20 -static int folio_alloc_swap(struct folio *folio, gfp_t gfp_mask) +static inline int folio_alloc_swap(struct folio *folio, gfp_t gfp_mask) { return -EINVAL; } --=20 2.30.0