From nobody Sat Feb 7 08:02:40 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 9914C1CAA9 for ; Fri, 22 Mar 2024 08:34:37 +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=1711096477; cv=none; b=Ud8+2DRwvGrq9tnb0pj39vKIFx9rcoGWZS25uMH0ISb0yA9Y/IwNPs/WWdIZyV5OQ0fVGhiOdcrstNDOKZ63pY6lJYBQioeY8ECE4VRCAKAi6NuwW1TAv9uo1AOpJuMdp/prPwvbNuJUeHO2QppMfshRT4hUvSZC2Y5xkGj+YeM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711096477; c=relaxed/simple; bh=u2CpON+ylVsyq590GuxgPX8aACtNcQ54tsZFdjhyaWs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JfiFO3fakYSj8x5p5z87/fPbpwJ5MzmpAyv/GafkgeAsNGNJVbazt+8KZ82UQJyqRswhAji58UltSVvv97479s7toIjMGpDPNkVfokFcWCr3+0g7QeWPW6DvwVPHS0icQY4iOYneRJ2FMSo/ADBoe4QIbzLH/BpaQAyP5mxkdyI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AaBhc3oW; 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="AaBhc3oW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C4E41C433C7; Fri, 22 Mar 2024 08:34:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711096477; bh=u2CpON+ylVsyq590GuxgPX8aACtNcQ54tsZFdjhyaWs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AaBhc3oW54M2fVP4zko3bI7wwqPbKFrZpITxoE8zMB09nSGioEQ8ciGrhyoNVw9dl 5YrCQpT1pseBVwA33cgDlGFOx4FQlanhgK2UjNScC+SZBglLPfDqK1UofWxdr47roq 6GMyA8MaGGHVqiCCLVMQRL+VqScXIDmuLZrG9NMJ66kWpS40p0Zaj/cm+2GbhOMhTu e0ethnI0isP9gkZHmiQAYCHBVOZaM2T/frovkexYNf6fSyJbKzLJGhv/JOGivKU3Zb RCqpiaOpNDTHCBh4+Tx8KnVwnrqI1pqgWU499eH8OT7ssfyiP0MU1lfCoLJ1RBaMHz M4RaK8HjY2+1A== From: alexs@kernel.org To: Matthew Wilcox , Andrea Arcangeli , Izik Eidus , david@redhat.com, Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: "Alex Shi (tencent)" , Hugh Dickins , Chris Wright Subject: [PATCH v2 02/14] mm/ksm: use folio in remove_rmap_item_from_tree Date: Fri, 22 Mar 2024 16:36:49 +0800 Message-ID: <20240322083703.232364-3-alexs@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240322083703.232364-1-alexs@kernel.org> References: <20240322083703.232364-1-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 --- 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