From nobody Mon Feb 9 17:24:51 2026 Received: from mail-pf1-f171.google.com (mail-pf1-f171.google.com [209.85.210.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 39F8B15F3E8 for ; Mon, 5 Aug 2024 12:56:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722862581; cv=none; b=n+OsqIxYi1o8U9F/3/7rgStdWKo6hGtrRor8yGwfmcJzUc35EDfLO9jubJt3eED/v9cXafoITrXDgyhCGPFJZXFEU5vxwlPbKlmUB6T3+z9nh+mO03B6heE+DvV2VPWfswOVzuPwrDU6YYzGvVqFre5pdwS9Tn5nAiEzw4zS26Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722862581; c=relaxed/simple; bh=LrVsRNvxFEtcyRcqLpy6K+Q65YiOJ7LBOCCzVy0NSbA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=qnYnDkeRjNZFK4vUotT24wKkFoTFz3v4AzfffZKfFeRyNfowLIcFdDoXsvHQPt8MEsh3LgRDbJdP8zmNKei8RHw7QRlKOmEHLer/geRY1lICWaCAQh2t0y+lAARJbTZUoExCod1WNgqVNoDrJMQq7FdE3Ln2dGqfhMU1GKsHNDI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=bytedance.com; spf=pass smtp.mailfrom=bytedance.com; dkim=pass (2048-bit key) header.d=bytedance.com header.i=@bytedance.com header.b=GY8MehYV; arc=none smtp.client-ip=209.85.210.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=bytedance.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bytedance.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bytedance.com header.i=@bytedance.com header.b="GY8MehYV" Received: by mail-pf1-f171.google.com with SMTP id d2e1a72fcca58-70d2879bfb0so1012854b3a.0 for ; Mon, 05 Aug 2024 05:56:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1722862579; x=1723467379; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=PiQJiB5+YTgWJEkf+MbrVUnf+za6HpDp7AR+2atGBrA=; b=GY8MehYVOTLaU+DF4hvJF7yRiGTV44TaIen0XJJxaxAQ4MrDeeSpL2rPIcVzD+qRVa bTcVOvMS9VAFMlLx9S428G9h0k+yXXVaaMkZqFfFfnUmxIn16wM3iR74MqKNUriVCJdc f4f+pw7qDhNj3HHxOauiRaSyFRGTdJA89GyE9J30KSkbsgqKlnaC1wOPLh4r80W/Xrh6 NQLOmV9Q3bMxwaaw+6OeC7TaAcCmmH0EG4++58ysH5dbmK2m4p/Mt4OZHwPN340/ycym yq5Pb+zOmfSuG5lmclpge+iGhSHmSr9ZxO2ryqyIClPGftdwz/ka69hBoWo3EBFCEMgk C+Mg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1722862579; x=1723467379; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=PiQJiB5+YTgWJEkf+MbrVUnf+za6HpDp7AR+2atGBrA=; b=j+Y499KmKSWKYWE1yy2HFZFXPe4/A0i3hiaDD3Wy1+7YDPzIsnJi6BsYspfo9c7VTO 1H5u1xyoQDG52uvHM8ZtP30zZNBXcTEenM3BnP/85hrQmbZjIG3kQ4TfgqJgDxYoHhz5 sitPWoFtAgMcXRw1bRf569Dmc1pNviDee/dG9WAYvrYOBcF2ytlaMWFhzNi2T3mjkgVn Nz2xev2E6ZTGpJDYaHpwTG6irxw8tIXurLlm+KTsuEo/O7beUBB3KXZZO2VTIynQwgI0 3oahrjDHlznX/smvI88zmsnSW1/YVVSKpfTJadArzWC0GgGBDHYF1gGR1sLfIEaiUqgV oXfQ== X-Forwarded-Encrypted: i=1; AJvYcCU1p5By9vMGlE3yAWn17IcrM1M3vl84RpMuRCfsEikJnb/+u8Yc4ZzOAxwe/kHKbaFiHZ8FXNhaoMXZRYCasIcA3fNLTcWMyDsKhocs X-Gm-Message-State: AOJu0Yyd4PsZHbhKnXD2s5Kl2Fszrn8x81F7ET9yx/70/AIcFRjpGoVS ynLHtGXkp4Se4Q5kXEK9bi4gytj/CgD9Q67atZx6FX/kxnZkP3cN2a3M0ucQ0Wo= X-Google-Smtp-Source: AGHT+IFVoFNV/H2C9dHSZ1PBN5mIC2cyRnjqaIeUe5zi3ii7ROXtPfC7wvdYAPcekd2YlYQGHcbP5g== X-Received: by 2002:a05:6a20:9188:b0:1c4:c8ef:8e68 with SMTP id adf61e73a8af0-1c69966d186mr10728067637.9.1722862579692; Mon, 05 Aug 2024 05:56:19 -0700 (PDT) Received: from C02DW0BEMD6R.bytedance.net ([139.177.225.232]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7106ecfaf1asm5503030b3a.142.2024.08.05.05.56.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Aug 2024 05:56:19 -0700 (PDT) From: Qi Zheng To: david@redhat.com, hughd@google.com, willy@infradead.org, mgorman@suse.de, muchun.song@linux.dev, vbabka@kernel.org, akpm@linux-foundation.org, zokeefe@google.com, rientjes@google.com Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Qi Zheng Subject: [RFC PATCH v2 7/7] x86: select ARCH_SUPPORTS_PT_RECLAIM if X86_64 Date: Mon, 5 Aug 2024 20:55:11 +0800 Message-Id: <0949a17afe11cf108b8a09a538c00c93cdc5507e.1722861064.git.zhengqi.arch@bytedance.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: References: 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" Now, x86 has fully supported the CONFIG_PT_RECLAIM feature, and reclaiming PTE pages is profitable only on 64-bit systems, so select ARCH_SUPPORTS_PT_RECLAIM if X86_64. Signed-off-by: Qi Zheng --- arch/x86/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 2f611ffd0c9a4..fff6a7e6ea1de 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -316,6 +316,7 @@ config X86 select FUNCTION_ALIGNMENT_4B imply IMA_SECURE_AND_OR_TRUSTED_BOOT if EFI select HAVE_DYNAMIC_FTRACE_NO_PATCHABLE + select ARCH_SUPPORTS_PT_RECLAIM if X86_64 =20 config INSTRUCTION_DECODER def_bool y --=20 2.20.1