From nobody Thu Sep 19 01:05:39 2024 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 C197215B14C for ; Fri, 26 Jul 2024 21:57:46 +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=1722031066; cv=none; b=bmyNNjSk2+X9y9Zh5UnKtK5Fl/FImHp5V8Bgzw0XZVwm4b5oq3wVwVAziks4PeM/ghqQJlwkhpDvNIRduD3a++LyFdOk6f0HPtnA7AuzoMQqbEq47+LRQ4FZXXxhDbdG3qHANJ1e+1hggE3m+yJ0Ag0/8vJlvuoL+e/AF8DqYMc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722031066; c=relaxed/simple; bh=xSTwda2GjtC4wyMIao/A441KBqg4odJRHj3hK2x1g+0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Om4rkXd0wJnkwJwjFxtv18chy583J9rcNcs5sG7ePO3P+C1KJLb4W5M+mU2UkDMqVrwyBQeIb8XBNdbDvPABFdnXbBPWOT+BcfyxfvKSei5Hp1XWGAi7BJsxstaPZqeUM+d39uR3KeirpLkIlT4BE64Jc4AbRbdHhgNXf4YS0XM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HNJiSszU; 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="HNJiSszU" Received: by smtp.kernel.org (Postfix) with ESMTPSA id ECEAAC4AF09; Fri, 26 Jul 2024 21:57:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722031066; bh=xSTwda2GjtC4wyMIao/A441KBqg4odJRHj3hK2x1g+0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HNJiSszULYtzhaeEVutUpqJehUbmWxSB6jq8VWOWPfAZdbHMxbimJX7PAPIKb+rCX W52rkj7eh6tAwyR8729dwXxsywgY8xzA8VBFr+v2kTGuMnpKDvsv1NhQBNyZXe5t0+ 01bV5vKyjTeG1oCaskaQOhyWG0qKuvAVy5laatvcHYtQ5BlQE8ER+P3CHL5deVon20 /J3e2MFPcvAexLrmDbabvPFF2loz01wv2FpsqHyCNxkF/0bpaB4P0ISCX/bAd7HSex ZUsqxDXFzSeoxk0tsvawONxFpR1xpWqnzoXRtkGhxX2Kqohw7My6WB+nP6z0KMxwOp LSSFCfUmNrGAQ== From: Frederic Weisbecker To: LKML Cc: Frederic Weisbecker , Michal Hocko , Vlastimil Babka , linux-mm@kvack.org, Andrew Morton , Peter Zijlstra , Thomas Gleixner Subject: [RFC PATCH 16/20] mm: Allocate kswapd on its node Date: Fri, 26 Jul 2024 23:56:52 +0200 Message-ID: <20240726215701.19459-17-frederic@kernel.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240726215701.19459-1-frederic@kernel.org> References: <20240726215701.19459-1-frederic@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable kswapd runs preferrably on a specific node. Allocate its task structure accordingly for better memory locality. Signed-off-by: Frederic Weisbecker Acked-by: Vlastimil Babka --- mm/vmscan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index 94359a893b4f..adf8c1e7e89d 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -7284,7 +7284,7 @@ void __meminit kswapd_run(int nid) =20 pgdat_kswapd_lock(pgdat); if (!pgdat->kswapd) { - pgdat->kswapd =3D kthread_create(kswapd, pgdat, "kswapd%d", nid); + pgdat->kswapd =3D kthread_create_on_node(kswapd, pgdat, nid, "kswapd%d",= nid); if (IS_ERR(pgdat->kswapd)) { /* failure at boot is fatal */ pr_err("Failed to start kswapd on node %d=EF=BC=8Cret=3D%ld\n", --=20 2.45.2