From mboxrd@z Thu Jan 1 00:00:00 1970 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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E7604C4452A for ; Mon, 20 Jul 2026 12:43:10 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id EC73F6B008C; Mon, 20 Jul 2026 08:43:09 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id E774A6B0098; Mon, 20 Jul 2026 08:43:09 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DB3E16B009D; Mon, 20 Jul 2026 08:43:09 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id B7ED36B008C for ; Mon, 20 Jul 2026 08:43:09 -0400 (EDT) Received: from smtpin16.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 2EAC914016C for ; Mon, 20 Jul 2026 12:43:09 +0000 (UTC) X-FDA: 85009120098.16.3B95530 Received: from canpmsgout02.his.huawei.com (canpmsgout02.his.huawei.com [113.46.200.217]) by imf29.hostedemail.com (Postfix) with ESMTP id C10EF12000A for ; Mon, 20 Jul 2026 12:43:05 +0000 (UTC) Authentication-Results: imf29.hostedemail.com; dkim=pass header.d=huawei.com header.s=dkim header.b=4M1CtP9Z; spf=pass (imf29.hostedemail.com: domain of wangkefeng.wang@huawei.com designates 113.46.200.217 as permitted sender) smtp.mailfrom=wangkefeng.wang@huawei.com; dmarc=pass (policy=quarantine) header.from=huawei.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1784551387; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=VvnMsH75BzLyLzw2Se0FFbIlNBhTvJL8or25tQjpDPQ=; b=YqlhVnzyhAy6fwy+Z9hqD6LKK22ZhQ6EolxnJlAM4HG8TD74pc01OC3+a8yGSEYlDXUPmt 045GvrIVFg0PQv6lBdhKeRWUSGVZ4L0uMPJphrCcUY+GkXPCTb/MRwdNIfdIOoX5dNIPTy hwbWMcdlZt9RGuMjY9tPsJRtpjqDiuw= ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1784551387; b=s+8qbe0jdzwZ5OooHuPqyhzn57prJkvc5dSAfbBlY1E/9ovt+g4hoUEKPKmTdph0JQjaWP hEh97rDddCN9coTPJN2B77B3FpPKYds/3auyMPH2JFC4GOS3/9JEuW/nZCoq4aZsr4O0VE d0Sq3+0nG0jx0kYpS6eZJcGG0TON/R0= ARC-Authentication-Results: i=1; imf29.hostedemail.com; dkim=pass header.d=huawei.com header.s=dkim header.b=4M1CtP9Z; spf=pass (imf29.hostedemail.com: domain of wangkefeng.wang@huawei.com designates 113.46.200.217 as permitted sender) smtp.mailfrom=wangkefeng.wang@huawei.com; dmarc=pass (policy=quarantine) header.from=huawei.com dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=VvnMsH75BzLyLzw2Se0FFbIlNBhTvJL8or25tQjpDPQ=; b=4M1CtP9ZfftZIIQHUVWox/zEwEoYZse7tNnIZSXLtDMOSuXbNvja64Ca0e2ev1lnuScaqbyCo z0mJTrvvNRvKcXdMGK8Qc7vuA0Mp1LMSPWtuduNXp8N1Uw5zqa5wdBpyIwxf24UBtaDUInPOzK0 e5GRuO3REE77b06Gynq9RUQ= Received: from mail.maildlp.com (unknown [172.19.162.140]) by canpmsgout02.his.huawei.com (SkyGuard) with ESMTPS id 4h3g0s6m8yzcb0W; Mon, 20 Jul 2026 20:33:33 +0800 (CST) Received: from dggpemf100008.china.huawei.com (unknown [7.185.36.138]) by mail.maildlp.com (Postfix) with ESMTPS id 51BD1202E6; Mon, 20 Jul 2026 20:42:59 +0800 (CST) Received: from ubuntu (10.50.87.83) by dggpemf100008.china.huawei.com (7.185.36.138) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Mon, 20 Jul 2026 20:42:58 +0800 From: Kefeng Wang To: Andrew Morton CC: , David Hildenbrand , "Liam R . Howlett" , Lorenzo Stoakes , Vlastimil Babka , Jann Horn , Pedro Falcato , Zi Yan , Kefeng Wang Subject: [PATCH v3-fixup 5/6] mm: mincore: fixup improve mincore_hugetlb() Date: Mon, 20 Jul 2026 20:42:52 +0800 Message-ID: <20260720124252.1483984-1-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260717091347.1144789-6-wangkefeng.wang@huawei.com> References: <20260717091347.1144789-6-wangkefeng.wang@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.50.87.83] X-ClientProxiedBy: kwepems200001.china.huawei.com (7.221.188.67) To dggpemf100008.china.huawei.com (7.185.36.138) X-Rspamd-Queue-Id: C10EF12000A X-Stat-Signature: cbqzkz6w4fq8k9wk7mxcuc43nmmqce6z X-Rspam-User: X-Rspamd-Server: rspam02 X-HE-Tag: 1784551385-461322 X-HE-Meta: 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 7OtFZCgL JcrWWTRmVOC7i//aIGt7iw7iObnMTcZftrnnEnniEQndwdoyL4Ri+bBm5ivYHKiitvEqxkQhpr5j1Sc25EGEZF2dPRp6omy4SZTyguWpa1S0kk+P6wE7XN2bR6I7pb/IoWoAMuLHZc85nXC72mvvJNcw/hebawXht4WQbZxsyd1McSSkSN4eq5yv2tu7iX46N0ABRZwC42cLgw/q6UN/1tsCb4F5WNhKtgNg31+Mzm3ZT4ol4gYHYiUvxXRsVFe7jFbwVqMcF2P6nPG68OL+88JfbMqyn1AKZzwHU7Bspf/QUC3au6GtRTMVogSASC7nH9dCsRwy+JZp+zkhX1FwYnzkZyQ== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: - change unsigned long nr to const - remove a local vec variable Signed-off-by: Kefeng Wang --- mm/mincore.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/mm/mincore.c b/mm/mincore.c index 9ea81638d09f..ff4ac8281768 100644 --- a/mm/mincore.c +++ b/mm/mincore.c @@ -28,8 +28,7 @@ static int mincore_hugetlb(pte_t *pte, unsigned long hmask, unsigned long addr, unsigned long end, struct mm_walk *walk) { #ifdef CONFIG_HUGETLB_PAGE - unsigned long nr = (end - addr) >> PAGE_SHIFT; - unsigned char *vec = walk->private; + const unsigned long nr = (end - addr) >> PAGE_SHIFT; unsigned char resident; spinlock_t *ptl; pte_t ptep; @@ -37,7 +36,7 @@ static int mincore_hugetlb(pte_t *pte, unsigned long hmask, unsigned long addr, ptl = huge_pte_lock(hstate_vma(walk->vma), walk->mm, pte); ptep = huge_ptep_get(walk->mm, addr, pte); resident = !huge_pte_none(ptep) && !pte_is_marker(ptep); - memset(vec, resident, nr); + memset(walk->private, resident, nr); walk->private += nr; spin_unlock(ptl); #else -- 2.55.0