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 5DA9114830F for ; Mon, 12 May 2025 00:50:06 +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=1747011007; cv=none; b=eGLQxY4eW4qGtvbOcC3R2xwU0zwZfAG0hoJYe005azrxorR34Qse8VRxG9xf6eVNQB4ZIcsY8Jf1AAxPWAjA+WiPjslI9SsIqT8Rtc3t6LXfpcrduwn5CshN+KNcM0P17GT8DwFdrbB04LIkxBD3gJWdXir2cLAScA3aAI681RA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747011007; c=relaxed/simple; bh=dTh7niCJriLgT63dzZTqQ7Xw0+TRoUWqqYvrLtoZp5A=; h=Date:To:From:Subject:Message-Id; b=iGIdYCdgwp5+qYSdYF1fB3wMfvquqPtXaMRprCDs9aCyZnvtP84Q0BZu+I526NLO4CdSfWakHvJibgAIBwouVr+VWgc8PHbghxkLR07X2wD5/ic9tvh8c5Hot4I6tjMD0SGSIU2G8Ji2dL52Glqpj/uZyDil9jSA62AgHFxhpdg= 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=lBrSbyc7; 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="lBrSbyc7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C6061C4CEE4; Mon, 12 May 2025 00:50:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1747011006; bh=dTh7niCJriLgT63dzZTqQ7Xw0+TRoUWqqYvrLtoZp5A=; h=Date:To:From:Subject:From; b=lBrSbyc7gCPakJXJ7fLv/1NUiqfu4NJZ3mx4Czx7qBj95uB9dcAq90uBTTLeeDMXS +wobjzEPm3VD3JFgrjYcsbN0p5PO/d0FEZU3QTf6jIY6iPyM7Af3xHBvjv/8puy2cf Ha+TUflzWQNnwADk7X7KMSjj3AAj4u/B18BXxr7Y= Date: Sun, 11 May 2025 17:50:06 -0700 To: mm-commits@vger.kernel.org,tglx@linutronix.de,rrichter@amd.com,rppt@kernel.org,rafael.j.wysocki@intel.com,peterz@infradead.org,osalvador@suse.de,mingo@redhat.com,luto@kernel.org,lenb@kernel.org,Jonathan.Cameron@huawei.com,ira.weiny@intel.com,hpa@zytor.com,haibo1.xu@intel.com,gregkh@linuxfoundation.org,fan.ni@samsung.com,david@redhat.com,dave.jiang@intel.com,dave.hansen@linux.intel.com,dan.j.williams@intel.com,bp@alien8.de,bfaccini@nvidia.com,alison.schofield@intel.com,gourry@gourry.net,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] acpisrat-give-memory-block-size-advice-based-on-cfmws-alignment.patch removed from -mm tree Message-Id: <20250512005006.C6061C4CEE4@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: acpi,srat: give memory block size advice based on CFMWS alignment has been removed from the -mm tree. Its filename was acpisrat-give-memory-block-size-advice-based-on-cfmws-alignment.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: Gregory Price Subject: acpi,srat: give memory block size advice based on CFMWS alignment Date: Mon, 27 Jan 2025 10:34:05 -0500 Capacity is stranded when CFMWS regions are not aligned to block size. On x86, block size increases with capacity (2G blocks @ 64G capacity). Use CFMWS base/size to report memory block size alignment advice. Link: https://lkml.kernel.org/r/20250127153405.3379117-4-gourry@gourry.net Signed-off-by: Gregory Price Suggested-by: Dan Williams Acked-by: Mike Rapoport (Microsoft) Acked-by: David Hildenbrand Acked-by: Dan Williams Tested-by: Fan Ni Acked-by: Rafael J. Wysocki Reviewed-by: Ira Weiny Acked-by: Oscar Salvador Cc: Alison Schofield Cc: Andy Lutomirski Cc: Borislav Betkov Cc: Bruno Faccini Cc: Dave Hansen Cc: Dave Jiang Cc: David Hildenbrand Cc: Greg Kroah-Hartman Cc: Haibo Xu Cc: "H. Peter Anvin" Cc: Ingo Molnar Cc: Joanthan Cameron Cc: Len Brown Cc: Mike Rapoport Cc: Peter Zijlstra Cc: Robert Richter Cc: Thomas Gleinxer Signed-off-by: Andrew Morton --- drivers/acpi/numa/srat.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) --- a/drivers/acpi/numa/srat.c~acpisrat-give-memory-block-size-advice-based-on-cfmws-alignment +++ a/drivers/acpi/numa/srat.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -429,13 +430,23 @@ static int __init acpi_parse_cfmws(union { struct acpi_cedt_cfmws *cfmws; int *fake_pxm = arg; - u64 start, end; + u64 start, end, align; int node; + int err; cfmws = (struct acpi_cedt_cfmws *)header; start = cfmws->base_hpa; end = cfmws->base_hpa + cfmws->window_size; + /* Align memblock size to CFMW regions if possible */ + align = 1UL << __ffs(start | end); + if (align >= SZ_256M) { + err = memory_block_advise_max_size(align); + if (err) + pr_warn("CFMWS: memblock size advise failed (%d)\n", err); + } else + pr_err("CFMWS: [BIOS BUG] base/size alignment violates spec\n"); + /* * The SRAT may have already described NUMA details for all, * or a portion of, this CFMWS HPA range. Extend the memblks _ Patches currently in -mm which might be from gourry@gourry.net are cpuset-rename-cpuset_node_allowed-to-cpuset_current_node_allowed.patch vmscancgroup-apply-mems_effective-to-reclaim.patch dax-warn-when-kmem-regions-are-truncated-for-memory-block-alignment.patch