From nobody Mon Feb 9 23:20:07 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 DEA2F1DDC1A for ; Thu, 15 May 2025 13:27:59 +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=1747315679; cv=none; b=sPjSn+q4zv3Z6YHuD+2de19efU/fZfl2C3lWodBdyvCsSfPXw0R7fAFk/cXHO9rNlozZHuN7l3TFSnvCQ216v0r3m8cH8tLIFb8Lu1lCUzSMlQSOxVZj5f5AttmqC/iQE51gM12G/ShhdQGK5IQ8p6vAnXGcK/GjCNayayx/R48= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747315679; c=relaxed/simple; bh=qshEA44pbyQ2ZLjJMguIuT/vMeoXg9Wt66BkR3pkp50=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=V6cD1AOrBl2qzgFZGry8ns6vyHvHTBnHCsc4wHyYA16SoEyxL0Ymq9dTTdYTNJHnKRr9+6Z336jqDkTm+ai/zFciLye20F3B7/LzhO62qWS3F6UaIqbr8hb3QXyqEB2JTPEmkvOwpBlW48EsbAxpQnu/RRTKW66SG8jQipi/1wo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jHpmeqs6; 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="jHpmeqs6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DFCA0C4CEE7; Thu, 15 May 2025 13:27:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1747315679; bh=qshEA44pbyQ2ZLjJMguIuT/vMeoXg9Wt66BkR3pkp50=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jHpmeqs6kw5u7Do4049AbwQJxY1C3QTeqHt9/pv7WDFqeW57kFKfHwep5XU0gnmqF +7tF60EJ/4O7e2zTAloBGLrjPoMkxbr495BwFf2rll0M6ml1UQXq/JOsiQgSolKsce s4+HYMb6lqndofg+ifRF5u/iypH0h708n112d28ubGwghVPlifIcv4K3pWYtjT/m36 6pIv/TSC3g8KjPj4HhzmlhS+NkNFv/6PHU2Tq+4lshYBgr8PGkFMr2UXLwIU1riUkJ 7ca3v3UerVWGCH2wB2LmLwv7rm8q0IFKdej2hiXjk5cKStWncTkyYFo/rgOnRjAfE9 dZIQYKRdeD7qQ== From: Ingo Molnar To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , "H . Peter Anvin" , Linus Torvalds , Peter Zijlstra , Borislav Petkov , Thomas Gleixner , Vitaly Kuznetsov , =?UTF-8?q?J=C3=BCrgen=20Gro=C3=9F?= , Andrew Morton , Ard Biesheuvel , Arnd Bergmann , David Woodhouse , Masahiro Yamada , Michal Marek , Rik van Riel Subject: [PATCH 09/13] x86/kconfig/64: Enable popular MM options in the defconfig Date: Thu, 15 May 2025 15:27:15 +0200 Message-ID: <20250515132719.31868-10-mingo@kernel.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250515132719.31868-1-mingo@kernel.org> References: <20250515132719.31868-1-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/x86_64_defconfig | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_de= fconfig index a32ed372e5bd..02c4ba79946b 100644 --- a/arch/x86/configs/x86_64_defconfig +++ b/arch/x86/configs/x86_64_defconfig @@ -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