From patchwork Thu Nov 11 04:32:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 12614141 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 14042C433EF for ; Thu, 11 Nov 2021 04:32:46 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id C104D61052 for ; Thu, 11 Nov 2021 04:32:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org C104D61052 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id 683496B00CE; Wed, 10 Nov 2021 23:32:45 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 60C5B6B00CF; Wed, 10 Nov 2021 23:32:45 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4FAD86B00D1; Wed, 10 Nov 2021 23:32:45 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0169.hostedemail.com [216.40.44.169]) by kanga.kvack.org (Postfix) with ESMTP id 41B036B00CE for ; Wed, 10 Nov 2021 23:32:45 -0500 (EST) Received: from smtpin05.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 0701B18524E28 for ; Thu, 11 Nov 2021 04:32:45 +0000 (UTC) X-FDA: 78795378816.05.32F4240 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf14.hostedemail.com (Postfix) with ESMTP id 8D22360019A8 for ; Thu, 11 Nov 2021 04:32:45 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id A60E2610A5; Thu, 11 Nov 2021 04:32:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1636605163; bh=pg5CEAc/J9/oIfod/8XblZVSsLYxGDSczi2tEfWuwEI=; h=Date:From:To:Subject:In-Reply-To:From; b=sIH78E7HRS2g33kp7HqTq7q1spyw3TR2rZyZZDGe3cUNsGhqsX7ubzYuiFvOqHmDY LatahZMiAQUkJ6JR7y6DfApd/H/ochwuItD21AJTGkYZ6ET/CjZlxSvN3fvDZG4i77 OwdqxfdXDRTz+D75XOO3YmLUbpEKhozLuU+JQrts= Date: Wed, 10 Nov 2021 20:32:43 -0800 From: Andrew Morton To: akpm@linux-foundation.org, hannes@cmpxchg.org, hch@lst.de, linux-mm@kvack.org, mhocko@kernel.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org, vdavydov.dev@gmail.com Subject: [patch 5/7] mm: unexport folio_memcg_{,un}lock Message-ID: <20211111043243.8JTPHeFwZ%akpm@linux-foundation.org> In-Reply-To: <20211110203204.37de96048c3279ab2da758a5@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 8D22360019A8 X-Stat-Signature: nds8y58j4rnu6rr97bcc7kr6m6k35ix1 Authentication-Results: imf14.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=sIH78E7H; dmarc=none; spf=pass (imf14.hostedemail.com: domain of akpm@linux-foundation.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org X-HE-Tag: 1636605165-772012 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Christoph Hellwig Subject: mm: unexport folio_memcg_{,un}lock Patch series "unexport memcg locking helpers". Neither the old page-based nor the new folio-based memcg locking helpers are used in modular code at all, so drop the exports. This patch (of 2): folio_memcg_{,un}lock are only used in built-in core mm code. Link: https://lkml.kernel.org/r/20210820095815.445392-1-hch@lst.de Link: https://lkml.kernel.org/r/20210820095815.445392-2-hch@lst.de Signed-off-by: Christoph Hellwig Cc: Johannes Weiner Cc: Michal Hocko Cc: Vladimir Davydov Signed-off-by: Andrew Morton --- mm/memcontrol.c | 2 -- 1 file changed, 2 deletions(-) --- a/mm/memcontrol.c~mm-unexport-folio_memcg_unlock +++ a/mm/memcontrol.c @@ -2058,7 +2058,6 @@ again: memcg->move_lock_task = current; memcg->move_lock_flags = flags; } -EXPORT_SYMBOL(folio_memcg_lock); void lock_page_memcg(struct page *page) { @@ -2092,7 +2091,6 @@ void folio_memcg_unlock(struct folio *fo { __folio_memcg_unlock(folio_memcg(folio)); } -EXPORT_SYMBOL(folio_memcg_unlock); void unlock_page_memcg(struct page *page) {