From patchwork Wed May 17 13:10:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13244985 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 63CE9C77B75 for ; Wed, 17 May 2023 13:11:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=1dWALGt6xt96Bw1dbWvae781m0kHp3M5ElydlDeAUas=; b=aVY+9D1EaQM/4c hdlyMsQfUC6QiSBQ4X7/mhe9WhkUNoed3W1c54ipE5OWKrETEN7mN5TvAUOq0ZVhu0orS2M57iLIB m6Pm6kYLdfuXp3fg/cVrz0xdFKCX53rxEI1ZtZh9k7MEZR4aoN+EbPo5OS0MwGJBL0FFCeL7bO4VZ 5XWLmgZpJhXunsNq3lKW/zeqZ14dGaCC7BoypNwISiTYBNEL1h1LtnPrf3yOBmERzbzi+igiyWwiI OBUmGVXFD1mqtHDo3q/NPGnUFLs5E/KfmdzUGz4mKyf3JD+7Y8WxsnY6211Kiqjtz7rVcwNhQlFXj B5vQhskcDkJnzST3q2gw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pzGwZ-009u7y-29; Wed, 17 May 2023 13:11:51 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pzGwW-009u6L-1k; Wed, 17 May 2023 13:11:49 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id EBCE1646FD; Wed, 17 May 2023 13:11:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2C17AC433A1; Wed, 17 May 2023 13:11:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684329106; bh=3mI163DMR4d+cuXu5u65rsW45kyqp2CKp+3eSlb6arE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Fc6SUEmSZTQUkEUQjfQXj6txmruIJCzCuO4Ae3j0P53kfZPDs/OWZkdHVUzrtWv5M 0rPrYmGV3lkc2LdVoiXnN0tesbaj+I+HdnU+5OYNZ19tKdQSCcQFdCfF7CIjRf43g3 HHrOqIEp3ibRRhUsGRDH+Iul9ef7vI7xGy9SOg7wZXkSxKf5Bbrmmph902wZT+4dAO hkBdrDx6I/lx0He0nfCXC9E/60W8qZMraYv4eYeOaM6lvyD6ZDXWH5H+onPY0eEF1E Z4hxRtdg3qOggQ4VULZzLpo6PInRLslC9REuvbQ434IZjCDyjjo139W2Et9i6tb9pM t75TKQPb0GvKQ== From: Arnd Bergmann To: Andrew Morton Cc: linux-mm@kvack.org, Arnd Bergmann , Russell King , Catalin Marinas , Will Deacon , Michal Simek , Thomas Bogendoerfer , Helge Deller , Michael Ellerman , Palmer Dabbelt , Heiko Carstens , Thomas Gleixner , Ingo Molnar , x86@kernel.org, "Rafael J. Wysocki" , Paul Moore , Eric Paris , Dennis Zhou , Tejun Heo , Christoph Lameter , Pavel Machek , Peter Zijlstra , Waiman Long , Boqun Feng , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, audit@vger.kernel.org, linux-pm@vger.kernel.org, linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com Subject: [PATCH 01/14] mm: percpu: unhide pcpu_embed_first_chunk prototype Date: Wed, 17 May 2023 15:10:49 +0200 Message-Id: <20230517131102.934196-2-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230517131102.934196-1-arnd@kernel.org> References: <20230517131102.934196-1-arnd@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230517_061148_628255_6A12866F X-CRM114-Status: GOOD ( 14.05 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Arnd Bergmann This function is called whenever CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK or CONFIG_HAVE_SETUP_PER_CPU_AREA, but only declared when the former is set: mm/percpu.c:3055:12: error: no previous prototype for 'pcpu_embed_first_chunk' [-Werror=missing-prototypes] There is no real point in hiding declarations, so just remove the #ifdef here. Signed-off-by: Arnd Bergmann --- include/linux/percpu.h | 2 -- 1 file changed, 2 deletions(-) diff --git a/include/linux/percpu.h b/include/linux/percpu.h index 1338ea2aa720..42125cf9c506 100644 --- a/include/linux/percpu.h +++ b/include/linux/percpu.h @@ -103,12 +103,10 @@ extern void __init pcpu_free_alloc_info(struct pcpu_alloc_info *ai); extern void __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai, void *base_addr); -#ifdef CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK extern int __init pcpu_embed_first_chunk(size_t reserved_size, size_t dyn_size, size_t atom_size, pcpu_fc_cpu_distance_fn_t cpu_distance_fn, pcpu_fc_cpu_to_node_fn_t cpu_to_nd_fn); -#endif #ifdef CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK void __init pcpu_populate_pte(unsigned long addr);