From nobody Fri Dec 19 20:34:17 2025 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 268652857FF for ; Tue, 6 May 2025 17:10:07 +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=1746551408; cv=none; b=cH1Cr8aGDSaPhGxejfB/2CcBX/b5EabD5qNvsZQnYi9iEQeh3QDQXquJHQHgloz4bAeddhMwvLNNWoMTMtTYhd734qAPfj2BpkaijKBuiLmd2krXvb6o4lbEyhIyUW8SC/NeoysXCLSGTp+Cvk958wuVOO9LST1un3C1/SrPqP8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746551408; c=relaxed/simple; bh=gj/gtAGi6SxjR5hd6QY4kZM8MyqDeqJUUrID0e4DlHY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=E9o63DVqlAza+1VCG7fGHiDuuyRrWnX9NLVV/tJjh52NxQyjaaEMdml/OTbJUeMNj2+F9ZqWirjWyUcOMNCi0SueqjCjhUchLCQSmMUsM8VlLIHipxCXnWjq/qVF+GGoqJndMI21CTalujwFjOcqickk2JJUz293/Oz5VO6NRVU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NDtx83vU; 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="NDtx83vU" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6B7F3C4CEE4; Tue, 6 May 2025 17:10:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746551407; bh=gj/gtAGi6SxjR5hd6QY4kZM8MyqDeqJUUrID0e4DlHY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NDtx83vUtyvL9x2xAniAmmnV9cPMnJ6KYGKRuLUfYHB9FgrOfJuprKNK1WCKLI6XA bQviPIYNpQXh/BjXPHHc1K/ZC/vRy4IfesXxUYI6I+4kNWJ0HE8hwDtmwt5boEw6fY MTLHhvEKXSOTsgtPl/NQ3kuKLR1hWMMQrodF9Y+7CVV7+uKtqRcycg2FtFNF/tD92h eChYef9I8Is5lcyZURhvnAQRTbzRHpW+Qx/ys9K4SG6GdG5lQ85TPANOEBUapD3cn4 VxWPj7/ZUiQlsi/hEo2y7SbYkfQsz9uBt92GBLKluwF1TPM4h+b8X8SBbBkEs/MKM8 c/SKsUNYFqkUg== From: Ingo Molnar To: linux-kernel@vger.kernel.org Cc: "H . Peter Anvin" , Linus Torvalds , Peter Zijlstra , Borislav Petkov , Thomas Gleixner , Vitaly Kuznetsov , Ingo Molnar , Andrew Morton , Ard Biesheuvel , Arnd Bergmann , David Woodhouse , Masahiro Yamada , Michal Marek , Rik van Riel Subject: [PATCH 11/15] x86/kconfig/64: Enable popular MM options in the defconfig Date: Tue, 6 May 2025 19:09:20 +0200 Message-ID: <20250506170924.3513161-12-mingo@kernel.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250506170924.3513161-1-mingo@kernel.org> References: <20250506170924.3513161-1-mingo@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" Since the x86 defconfig aims to be a distro kernel work-alike with fewer drivers and a shorter build time, enable the following MM options that are typically enabled on major Linux distributions: - ACPI_HOTPLUG_MEMORY, ZSWAP, SLAB hardening, MEMORY_HOTPLUG, MEMORY_HOTREMOVE, PAGE_REPORTING, KSM, higher DEFAULT_MMAP_MIN_ADDR, MEMORY_FAILURE, HWPOISON_INJECT, TRANSPARENT_HUGEPAGE, TRANSPARENT_HUGEPAGE_MADVISE, IDLE_PAGE_TRACKING, ZONE_DEVICE DEVICE_PRIVATE, ANON_VMA_NAME, USERFAULTFD, multi-gen LRU. Signed-off-by: Ingo Molnar Cc: Andrew Morton Cc: Ard Biesheuvel Cc: Arnd Bergmann Cc: David Woodhouse Cc: H. Peter Anvin Cc: Linus Torvalds Cc: Masahiro Yamada Cc: Michal Marek Cc: Peter Zijlstra Cc: Rik van Riel --- arch/x86/configs/defconfig.x86_64 | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/x86/configs/defconfig.x86_64 b/arch/x86/configs/defconfig= .x86_64 index a32ed372e5bd..02c4ba79946b 100644 --- a/arch/x86/configs/defconfig.x86_64 +++ b/arch/x86/configs/defconfig.x86_64 @@ -57,6 +57,7 @@ CONFIG_HIBERNATION=3Dy CONFIG_PM_DEBUG=3Dy CONFIG_PM_TRACE_RTC=3Dy CONFIG_ACPI_DOCK=3Dy +CONFIG_ACPI_HOTPLUG_MEMORY=3Dy CONFIG_ACPI_BGRT=3Dy CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=3Dy CONFIG_CPU_FREQ_GOV_ONDEMAND=3Dy @@ -76,7 +77,26 @@ CONFIG_BLK_CGROUP_IOLATENCY=3Dy CONFIG_BLK_CGROUP_IOCOST=3Dy CONFIG_BLK_CGROUP_IOPRIO=3Dy CONFIG_BINFMT_MISC=3Dy +CONFIG_ZSWAP=3Dy +CONFIG_SLAB_FREELIST_RANDOM=3Dy +CONFIG_SLAB_FREELIST_HARDENED=3Dy # CONFIG_COMPAT_BRK is not set +CONFIG_MEMORY_HOTPLUG=3Dy +CONFIG_MEMORY_HOTREMOVE=3Dy +CONFIG_PAGE_REPORTING=3Dy +CONFIG_KSM=3Dy +CONFIG_DEFAULT_MMAP_MIN_ADDR=3D65536 +CONFIG_MEMORY_FAILURE=3Dy +CONFIG_HWPOISON_INJECT=3Dy +CONFIG_TRANSPARENT_HUGEPAGE=3Dy +CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=3Dy +CONFIG_IDLE_PAGE_TRACKING=3Dy +CONFIG_ZONE_DEVICE=3Dy +CONFIG_DEVICE_PRIVATE=3Dy +CONFIG_ANON_VMA_NAME=3Dy +CONFIG_USERFAULTFD=3Dy +CONFIG_LRU_GEN=3Dy +CONFIG_LRU_GEN_ENABLED=3Dy CONFIG_NET=3Dy CONFIG_PACKET=3Dy CONFIG_XFRM_USER=3Dy --=20 2.45.2