From patchwork Sat Mar 5 01:15:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bang Li X-Patchwork-Id: 12770178 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 113BBC433F5 for ; Sat, 5 Mar 2022 01:15:24 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 53CA78D0002; Fri, 4 Mar 2022 20:15:24 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 4EB1F8D0001; Fri, 4 Mar 2022 20:15:24 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3B3998D0002; Fri, 4 Mar 2022 20:15:24 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0148.hostedemail.com [216.40.44.148]) by kanga.kvack.org (Postfix) with ESMTP id 297A78D0001 for ; Fri, 4 Mar 2022 20:15:24 -0500 (EST) Received: from smtpin31.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id D0A898249980 for ; Sat, 5 Mar 2022 01:15:23 +0000 (UTC) X-FDA: 79208564526.31.80AF9F7 Received: from mail-pl1-f177.google.com (mail-pl1-f177.google.com [209.85.214.177]) by imf03.hostedemail.com (Postfix) with ESMTP id 6F74020002 for ; Sat, 5 Mar 2022 01:15:23 +0000 (UTC) Received: by mail-pl1-f177.google.com with SMTP id j13so1233666plx.4 for ; Fri, 04 Mar 2022 17:15:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=pDUo/7OLNspJPt+q9wCyTkpV25XABw+87crNkHjSYi4=; b=C3lCTsC/bfyuq86SbVC+rK79KAZEraU9a44bPNjFKuh9u8vHSRpMXelfIsGSyCEc03 h5vjg929+64A/+/yhEH/ke8o073QUxUT/m06xmuSeIpUkt2mzuGMKnKa8NW1fkRLsaTo JCVN7cJj9TH5oTt5ZkiZb/hp28Suq2oVKLk+4niiDFCBlOV8ebaJUdKcpWWza3lRs1HJ dt4I5PPMhM15pWnEUaxW6dHUxi33POe7PwMFgHuFkHs3Q5a5ZJYivNzfaQ4L3pRbNhXo FNrOriTGtS7Xc0jPQRS9tuMLxHsk9wPO6nWUcb3VtjVmqbzIvo2xeHx6M4/v64hMF+tq FppA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=pDUo/7OLNspJPt+q9wCyTkpV25XABw+87crNkHjSYi4=; b=DW6L0Th2ngd/3CFQF/gWSU1E0oTMf8zC+2B9sxmjWxDMqacqVAkt09g24db7j4YZCN dxWLig5jxpiKlLVrH8lSRL9BNKfQ+nicoWyOq4nFjx3X4E8bo3hJJlGzMSdaOcKVeilW 2WIn+mnO5lMOFpHHol3A0v1kW9ZCI5x2F0SiXaQHiGgLJyp3HIXUzqPLhLPO0NnvKbCw VWxuq53hIZVe6LWTanzlm08nPRYThAc7fl3WfsEXVP+KBUdQiWS5AZd5GWH3xFWPWOiY jwR3ZTSS8QvhUvjZC6qv+0bhvXMCIfeDkrRobVAGevcUjZUVaMiyLccl9HQFAcNgCMef fBNQ== X-Gm-Message-State: AOAM532xjpS/fwRN7TagtLwGnpCv5kQinixIbkBL8/rXJ78OJ4JHDMYB acc6pfLF7g8HFOlHaRm21U0= X-Google-Smtp-Source: ABdhPJwVTW6WEC8IlAK0tLrTl7jF+dij85k0L+uQfQ20wBTOLJ1+bdEaixcZuMhfyFJi+utqfb1YjA== X-Received: by 2002:a17:903:2285:b0:151:4b38:298e with SMTP id b5-20020a170903228500b001514b38298emr1309053plh.36.1646442922468; Fri, 04 Mar 2022 17:15:22 -0800 (PST) Received: from localhost.localdomain ([119.3.102.56]) by smtp.gmail.com with ESMTPSA id mq17-20020a17090b381100b001bf355e964fsm1040491pjb.0.2022.03.04.17.15.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Mar 2022 17:15:21 -0800 (PST) From: Bang Li To: akpm@linux-foundation.org Cc: urezki@gmail.com, lpf.vector@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, libang.linuxer@gmail.com Subject: [PATCH] mm/vmalloc: fix comments about vmap_area struct Date: Sat, 5 Mar 2022 09:15:10 +0800 Message-Id: <20220305011510.33596-1-libang.linuxer@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 6F74020002 X-Stat-Signature: dx3ucxxmgs6tnqkdrfrm1w36ddeorjrd Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b="C3lCTsC/"; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf03.hostedemail.com: domain of libang.linuxer@gmail.com designates 209.85.214.177 as permitted sender) smtp.mailfrom=libang.linuxer@gmail.com X-HE-Tag: 1646442923-290372 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: the vmap_area_root should be in the "busy" tree and the free_vmap_area_root should be in the "free" tree. Fixes: 688fcbfc06e4 ("mm/vmalloc: modify struct vmap_area to reduce its size") Signed-off-by: Bang Li Reviewed-by: Uladzislau Rezki (Sony) --- include/linux/vmalloc.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index 880227b9f044..05065915edd7 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -80,8 +80,8 @@ struct vmap_area { /* * The following two variables can be packed, because * a vmap_area object can be either: - * 1) in "free" tree (root is vmap_area_root) - * 2) or "busy" tree (root is free_vmap_area_root) + * 1) in "free" tree (root is free_vmap_area_root) + * 2) or "busy" tree (root is vmap_area_root) */ union { unsigned long subtree_max_size; /* in "free" tree */