From nobody Sun Feb 8 12:36:32 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 3976F81216 for ; Tue, 9 Apr 2024 09:25:19 +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=1712654720; cv=none; b=L6dqAXcTC6p+H4tVNeoeYljKt1cVMSiHF4NL6jdtGtjNZQ23rUvWcYuAzFsLWABqlwBvD9eaM5PmQB4L8fbsuMW1kFisXiiowXWVmwrFNtMNMgLcavnXGXAkh0Xh6EcoynErVOgVT9UTZrl+N8HNY3yJIFP1IV7fmDrCaxz1pWo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712654720; c=relaxed/simple; bh=IVhAzlnf/FbFRG9PEnvDGIGtbMw8j3OJiDaE0yo5KvA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=g08vy0GzrGD1KmLySprFK0a0Qz0jE6lQEBEQEQ9IcZh5RefMClgH9AjEugr9kTahCDgFCOOJ3kLVf1JQPyYxwPyCwlPSMIJX1lbDtWHgkw/RXaZuoEkrdkdjosM5A20zwudCdq4k83jMLQjHkyGFGfvbdKJj7wxqaJrWM5IowV8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=a9lLnck/; 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="a9lLnck/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AF8F0C433B2; Tue, 9 Apr 2024 09:25:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1712654719; bh=IVhAzlnf/FbFRG9PEnvDGIGtbMw8j3OJiDaE0yo5KvA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=a9lLnck/EFYB51Ch65extYs7iz20UjcwqKAleLCh5etxv9i7HDqZ82ImyRakGRseu Pdlzye6w9+SFe5lw0GRFLowvE3JZCKwRDpuDXnI423xC/rQVfyxivcxkonCU2YVLTZ 2qe9JsD1kGKPTfSBViXa6XOWcf8pGLz+iiw/9OhSA8ppiaIwqsb6LY/eLX9h8GRGMZ ouoAZrQy0bfnG8+DQJTie69CTdAr7lBswCvZf2lf+z10wMqKOIUAzDDDoQwAq59hxC xcaQY3pEymd7znTG4lG1ZvZvSfQkCx6XZZhrKLUNpbrA93wB6X1eTHGuwUr363y/W0 UnqUoiDYz6M2A== From: alexs@kernel.org To: Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: "Alex Shi (tencent)" , Izik Eidus , Matthew Wilcox , Andrea Arcangeli , Hugh Dickins , Chris Wright , David Hildenbrand Subject: [PATCH v4 2/9] mm/ksm: use folio in remove_rmap_item_from_tree Date: Tue, 9 Apr 2024 17:28:17 +0800 Message-ID: <20240409092826.1733637-3-alexs@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240409092826.1733637-1-alexs@kernel.org> References: <20240409092826.1733637-1-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)" To 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 Reviewed-by: David Hildenbrand --- mm/ksm.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/mm/ksm.c b/mm/ksm.c index ac080235b002..ea3dabf71e47 100644 --- a/mm/ksm.c +++ b/mm/ksm.c @@ -1006,16 +1006,16 @@ static void remove_rmap_item_from_tree(struct ksm_r= map_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 ksm_get_folio(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