From nobody Mon Feb 9 06:24:20 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 782E821171C for ; Mon, 5 May 2025 11:10:27 +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=1746443427; cv=none; b=BYI4fNg9t3jjzdpSQNcvWJdG16TKcIOzWYINtCoLLRgN8aQLDd2nnoyomsimHUM2TwoVKwTcswFZrP+se2RKTm8OpDpjAKguKag+lAFlUyxj79YQ2rJQQx+ulcJxXPvbkjwsLPYORF1UFzXAVsPrQkuX/f4mNl5QBKXeJS4YKio= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746443427; c=relaxed/simple; bh=5vtxFt+FDAMG+JqSjXdeN35WJXJGmK1U4No98GdjhRw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=eu1ezBVMrBeAyoSh8KOjFElHYwIqGiL5qr/jWBJTr1jeFLbSgsYh5aQsltUEXXXGxUU7hEfb/NzqaV9AgGp5NpqCkXPGWrnuTwLvRWrs857dyUmzpNPtPrLyanu9YTH6Gf23KKtRzpDJoSyFBAy4GQneaMLAlrXEG3qGW937lIA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nf92LAKq; 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="nf92LAKq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6D712C4CEEF; Mon, 5 May 2025 11:10:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746443427; bh=5vtxFt+FDAMG+JqSjXdeN35WJXJGmK1U4No98GdjhRw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nf92LAKqTIV3bCKzPkfjX9f+PlO33a2wILVwiJ/sad8ws8znrVYey2XmpDW3szBGZ cckgU0q1V1FrCF9dAu0+O8D3PeYTRLQgk9NiQatwhJaGuCuSZ0efhJiuODvTc/xWG/ wEb+QknCQybxYQW5sRJ/2LqtQFR+xZYZbRVFKMVc/pv1H3eWE6C0eqYBeDknpKfwA/ tHIZNNGvZgdVOs1RaO5zgdP/0yA6wtReu5jbTs8V5BTOK0tPBouK6LoPgQVapF2Vgt 5aPp3nXIhDD4y8qKVHKUlAJUxfb2ebey3dAuAtPCfLMIj+Oa1I/p22L3/Jb5ezgaRM ZJIJ/qpCxqi4Q== From: Ingo Molnar To: linux-kernel@vger.kernel.org Cc: "H . Peter Anvin" , Linus Torvalds , Peter Zijlstra , Borislav Petkov , Thomas Gleixner , 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: Mon, 5 May 2025 13:09:42 +0200 Message-ID: <20250505110946.1095363-12-mingo@kernel.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250505110946.1095363-1-mingo@kernel.org> References: <20250505110946.1095363-1-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 9961742fe78c..4f2fab465196 100644 --- a/arch/x86/configs/defconfig.x86_64 +++ b/arch/x86/configs/defconfig.x86_64 @@ -58,6 +58,7 @@ 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 @@ -77,7 +78,26 @@ 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