From patchwork Mon Apr 22 11:52:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Ellerman X-Patchwork-Id: 1926173 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=M2XmR7Xb; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=patchwork.ozlabs.org) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4VNNt70r01z1yZP for ; Mon, 22 Apr 2024 21:53:01 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=M2XmR7Xb; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4VNNt31z0wz3d2B for ; Mon, 22 Apr 2024 21:52:59 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=M2XmR7Xb; dkim-atps=neutral Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4VNNsj0GN0z30Pn for ; Mon, 22 Apr 2024 21:52:41 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1713786757; bh=QJYC+OzoCGnkrtwmIJuy9V9t6l5NVkhqDdDz68X2FeM=; h=From:To:Subject:Date:From; b=M2XmR7XbEM2KDI5RZyvX62C36DIOFfQW4WnlR7bs34DsA+iIAVp6GxUUMsNtPJZvy IPDUckSi95LhnZKzzUzgbwPtU9HXyc9sxG61sdxYPwrLjUoT93sIWCGk6TCuMHmgN3 BY9BB0W1tSIKjtZqlDpRjodXDv+hrXuGb6Cbv2pZ2uVnwn/Lo8U6wVXgu/SfqNuzfx Q+s+bwRECQ7NcafsJpcdY/Ozpd33m8WgF1Me7Dn/qmf37O3J8vYudZrNSQRsv8AiA1 9Gme0dzFwhswh7NalAeaTsMvgseQZfZ7Z+20ZjcQW1RLclVnBYKuqYMngP3P638VSm F9ZlSCt8Pnvig== Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4VNNsd0VC4z4wyh; Mon, 22 Apr 2024 21:52:37 +1000 (AEST) From: Michael Ellerman To: Subject: [PATCH] powerpc: Mark memory_limit as initdata Date: Mon, 22 Apr 2024 21:52:31 +1000 Message-ID: <20240422115231.1769984-1-mpe@ellerman.id.au> X-Mailer: git-send-email 2.44.0 MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" The `memory_limit` variable should only be used during boot, enforce that by marking it initdata. Signed-off-by: Michael Ellerman --- arch/powerpc/mm/mem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 3a440004b97d..12316ac66e7e 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -30,7 +30,7 @@ #include -unsigned long long memory_limit; +unsigned long long memory_limit __initdata; unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)] __page_aligned_bss; EXPORT_SYMBOL(empty_zero_page);