From patchwork Tue Mar 8 13:43:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miaohe Lin X-Patchwork-Id: 12773837 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 D544CC433EF for ; Tue, 8 Mar 2022 13:44:10 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 34E088D0007; Tue, 8 Mar 2022 08:44:08 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 2D5868D0006; Tue, 8 Mar 2022 08:44:08 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 100828D0007; Tue, 8 Mar 2022 08:44:08 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.hostedemail.com [64.99.140.25]) by kanga.kvack.org (Postfix) with ESMTP id E9F258D0006 for ; Tue, 8 Mar 2022 08:44:07 -0500 (EST) Received: from smtpin08.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id AE09F4D2 for ; Tue, 8 Mar 2022 13:44:07 +0000 (UTC) X-FDA: 79221337734.08.FC937E1 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by imf09.hostedemail.com (Postfix) with ESMTP id E990F14000D for ; Tue, 8 Mar 2022 13:44:06 +0000 (UTC) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.53]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4KCbyr3rzBz1GCFk; Tue, 8 Mar 2022 21:39:16 +0800 (CST) Received: from huawei.com (10.175.124.27) by canpemm500002.china.huawei.com (7.192.104.244) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Tue, 8 Mar 2022 21:44:03 +0800 From: Miaohe Lin To: , CC: , , Subject: [PATCH v2 3/8] mm/z3fold: minor clean up for z3fold_free Date: Tue, 8 Mar 2022 21:43:06 +0800 Message-ID: <20220308134311.59086-4-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20220308134311.59086-1-linmiaohe@huawei.com> References: <20220308134311.59086-1-linmiaohe@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To canpemm500002.china.huawei.com (7.192.104.244) X-CFilter-Loop: Reflected X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: E990F14000D X-Stat-Signature: zuw88adnnykiedpkeiup5q673cb5wu8r Authentication-Results: imf09.hostedemail.com; dkim=none; spf=pass (imf09.hostedemail.com: domain of linmiaohe@huawei.com designates 45.249.212.255 as permitted sender) smtp.mailfrom=linmiaohe@huawei.com; dmarc=pass (policy=quarantine) header.from=huawei.com X-HE-Tag: 1646747046-774282 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: Use put_z3fold_header() to pair with get_z3fold_header. Also fix the wrong comments. Minor readability improvement. Signed-off-by: Miaohe Lin Reviewed-by: Vitaly Wool --- mm/z3fold.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/mm/z3fold.c b/mm/z3fold.c index 87689f50f709..eb89271aea83 100644 --- a/mm/z3fold.c +++ b/mm/z3fold.c @@ -1187,9 +1187,9 @@ static int z3fold_alloc(struct z3fold_pool *pool, size_t size, gfp_t gfp, * @handle: handle associated with the allocation returned by z3fold_alloc() * * In the case that the z3fold page in which the allocation resides is under - * reclaim, as indicated by the PG_reclaim flag being set, this function - * only sets the first|last_chunks to 0. The page is actually freed - * once both buddies are evicted (see z3fold_reclaim_page() below). + * reclaim, as indicated by the PAGE_CLAIMED flag being set, this function + * only sets the first|middle|last_chunks to 0. The page is actually freed + * once all buddies are evicted (see z3fold_reclaim_page() below). */ static void z3fold_free(struct z3fold_pool *pool, unsigned long handle) { @@ -1247,7 +1247,7 @@ static void z3fold_free(struct z3fold_pool *pool, unsigned long handle) } if (page_claimed) { /* the page has not been claimed by us */ - z3fold_page_unlock(zhdr); + put_z3fold_header(zhdr); return; } if (test_and_set_bit(NEEDS_COMPACTING, &page->private)) {