From mboxrd@z Thu Jan 1 00:00:00 1970 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 1F09613AD1C for ; Sun, 29 Mar 2026 00:42:05 +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=1774744925; cv=none; b=WU4oXcKfNOiDgoO/xVmcyIrbWyoKYc5RSV+l1PVRqapwOwyRe0IS7/3luwLvSBz2TEEl4Rc1pBj6DUOdlp0ai1F5H7APXj9OI1GxkpacXaYqGIp3XAUwInX3XpAY9Q8CK4+YrkLvdLFzs0VpIXVt1RCZKi9ElrNzcHZQB39HZpk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774744925; c=relaxed/simple; bh=I0KCFB5NOj5j5HJvNUNkv90sCzAwQmJWH4R93TYW2eQ=; h=Date:To:From:Subject:Message-Id; b=mPWN6IUAlNqJ1CNQ6kp0+oedSCNgXfQWU5AOoRMZZWmJJSBqRWNbc8klGlHiMKlhxC7PjOFQFjHkNMOAouDG8G1f2L+bRz0OhRANpVekXX+r571DutATUOzgQKOEz8otTrWqokSan+xWQpJh8pcsROxVg0+teMJxtfE1Ri+1fbc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=vCdwrjVf; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="vCdwrjVf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EA7FFC4CEF7; Sun, 29 Mar 2026 00:42:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1774744925; bh=I0KCFB5NOj5j5HJvNUNkv90sCzAwQmJWH4R93TYW2eQ=; h=Date:To:From:Subject:From; b=vCdwrjVf6llmzOK5hsVCIOQMynGqfOsqmaSFQgBx5+iP1RGBy+qnRKF8DnQnGe+qX /unxwGMMpnaB1KeWqM1mLMV6/dkNGnYIIVhZbQ1lJGIyHsVM0iwecbGgLC/QdqiHSb SOMjMjzG1hius/5wjRGAVsmaRT2m2l8DV9MVbZFo= Date: Sat, 28 Mar 2026 17:42:04 -0700 To: mm-commits@vger.kernel.org,yuanchu@google.com,weixugc@google.com,vbabka@kernel.org,surenb@google.com,sidhartha.kumar@oracle.com,rppt@kernel.org,osalvador@suse.de,mhocko@suse.com,ljs@kernel.org,liam.howlett@oracle.com,axelrasmussen@google.com,david@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-kconfig-make-config_memory_hotplug-depend-on-config_sparsemem_vmemmap.patch removed from -mm tree Message-Id: <20260329004204.EA7FFC4CEF7@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: mm/Kconfig: make CONFIG_MEMORY_HOTPLUG depend on CONFIG_SPARSEMEM_VMEMMAP has been removed from the -mm tree. Its filename was mm-kconfig-make-config_memory_hotplug-depend-on-config_sparsemem_vmemmap.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: "David Hildenbrand (Arm)" Subject: mm/Kconfig: make CONFIG_MEMORY_HOTPLUG depend on CONFIG_SPARSEMEM_VMEMMAP Date: Fri, 20 Mar 2026 23:13:36 +0100 Ever since commit f8f03eb5f0f9 ("mm: stop making SPARSEMEM_VMEMMAP user-selectable"), an architecture that supports CONFIG_SPARSEMEM_VMEMMAP (by selecting SPARSEMEM_VMEMMAP_ENABLE) can no longer enable CONFIG_SPARSEMEM without CONFIG_SPARSEMEM_VMEMMAP. Right now, CONFIG_MEMORY_HOTPLUG is guarded by CONFIG_SPARSEMEM. However, CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG is only enabled by * arm64: which selects SPARSEMEM_VMEMMAP_ENABLE * loongarch: which selects SPARSEMEM_VMEMMAP_ENABLE * powerpc (64bit): which selects SPARSEMEM_VMEMMAP_ENABLE * riscv (64bit): which selects SPARSEMEM_VMEMMAP_ENABLE * s390 with SPARSEMEM: which selects SPARSEMEM_VMEMMAP_ENABLE * x86 (64bit): which selects SPARSEMEM_VMEMMAP_ENABLE So, we can make CONFIG_MEMORY_HOTPLUG depend on CONFIG_SPARSEMEM_VMEMMAP without affecting any setups. Link: https://lkml.kernel.org/r/20260320-sparsemem_cleanups-v2-4-096addc8800d@kernel.org Signed-off-by: David Hildenbrand (Arm) Reviewed-by: Lorenzo Stoakes (Oracle) Reviewed-by: Mike Rapoport (Microsoft) Cc: Axel Rasmussen Cc: Liam Howlett Cc: Michal Hocko Cc: Oscar Salvador Cc: Sidhartha Kumar Cc: Suren Baghdasaryan Cc: Vlastimil Babka Cc: Wei Xu Cc: Yuanchu Xie Signed-off-by: Andrew Morton --- mm/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/Kconfig~mm-kconfig-make-config_memory_hotplug-depend-on-config_sparsemem_vmemmap +++ a/mm/Kconfig @@ -472,7 +472,7 @@ config ARCH_ENABLE_MEMORY_HOTREMOVE menuconfig MEMORY_HOTPLUG bool "Memory hotplug" select MEMORY_ISOLATION - depends on SPARSEMEM + depends on SPARSEMEM_VMEMMAP depends on ARCH_ENABLE_MEMORY_HOTPLUG depends on 64BIT select NUMA_KEEP_MEMINFO if NUMA _ Patches currently in -mm which might be from david@kernel.org are