From nobody Sun Feb 8 21:46:17 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0CC3EAD49 for ; Wed, 20 Mar 2024 07:37:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710920264; cv=none; b=V9hasQVGfj/+qDOVabAOAdx0fjipcYLoFkWQmWIx2lf8msMCG8/jDKjnrL5oPNL0M2zye1nh/z39eGfkSSCI+FMmTI8DalhxwNuz8NoatEZ6hcq4G2CDUtA/9IPkoeX2yCM31UivMbrVFq6CeXjsnV/mO5GqlRNjXvwNEd9Rug8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710920264; c=relaxed/simple; bh=ogVdYvzWIODvepKssBDhcBjAFm2MyCuzb8iad0ikR9w=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YTfK9ThmhNqxmrpKD+85tWn6oow1AgcVwJJU5orNt7JjIVeSzqCgsRhwtVNZcLAEAOwJYWBXGDR0RilGUXBEnNbXODK65c9hN4f8y3k4BOKN1z/dh7XlBxY00+WjneLN3AYdkCryrgDNZLkmrGi4e+lkv1w1vIkj/ZzJr/eks40= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UxsXOdDy; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UxsXOdDy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 565C8C433F1; Wed, 20 Mar 2024 07:37:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1710920263; bh=ogVdYvzWIODvepKssBDhcBjAFm2MyCuzb8iad0ikR9w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UxsXOdDyeQz/LeOFJ5thcrVWPFUWSF0xAf89HiGMSe1y1BQ5CAtLaFvVrMHInOuCX n08x7z24gQKQo1Cys2BHt6sOQ0roKLbru2L4miwJv5QpKzMF0f31/Lm2LEH6kR523t 20RATbtX0L90o6l3JGyxonZhk3vkJOCXrcafdQzlPDTPVbAFVtXtB6Tv1vhu/iEyVG G7HhTffwrFbNX6CMK4TGBGryk31ciBggJCmbLm/iNrVqu7JvPkUAnhs0cNnxl4w+p9 pej6aCsV5pTOSmF5hEJTHfIxd7MPpkAe3JtPHU6COh7OhEJLXeBnUgbRwgXSco1Jsf EYGDO6JVtUAnw== From: alexs@kernel.org To: Izik Eidus , Matthew Wilcox , Andrea Arcangeli , Hugh Dickins , Chris Wright , kasong@tencent.com, Andrew Morton , linux-mm@kvack.org (open list:MEMORY MANAGEMENT), linux-kernel@vger.kernel.org (open list) Cc: linux-kernel@vger.kernel.org, "Alex Shi (tencent)" Subject: [PATCH 02/11] mm/ksm: use a folio in remove_rmap_item_from_tree Date: Wed, 20 Mar 2024 15:40:38 +0800 Message-ID: <20240320074049.4130552-3-alexs@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240320074049.4130552-1-alexs@kernel.org> References: <20240320074049.4130552-1-alexs@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: "Alex Shi (tencent)" Save 2 compound_head calls. Signed-off-by: Alex Shi (tencent) Cc: Izik Eidus Cc: Matthew Wilcox Cc: Andrea Arcangeli Cc: Hugh Dickins Cc: Chris Wright --- mm/ksm.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/mm/ksm.c b/mm/ksm.c index fda291b054c2..922e33500875 100644 --- a/mm/ksm.c +++ b/mm/ksm.c @@ -998,16 +998,16 @@ static void remove_rmap_item_from_tree(struct ksm_rma= p_item *rmap_item) { if (rmap_item->address & STABLE_FLAG) { struct ksm_stable_node *stable_node; - struct page *page; + struct folio *folio; =20 stable_node =3D rmap_item->head; - page =3D get_ksm_page(stable_node, GET_KSM_PAGE_LOCK); - if (!page) + folio =3D get_ksm_page(stable_node, GET_KSM_PAGE_LOCK); + if (!folio) goto out; =20 hlist_del(&rmap_item->hlist); - unlock_page(page); - put_page(page); + folio_unlock(folio); + folio_put(folio); =20 if (!hlist_empty(&stable_node->hlist)) ksm_pages_sharing--; --=20 2.43.0