From patchwork Thu Aug 1 06:08:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 13749668 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 878AF15748B; Thu, 1 Aug 2024 06:10:44 +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=1722492644; cv=none; b=VVRBOJbX62UDZNIdVqUFcDQMgM577Nu+ldSxkB64vPBG0thSlMhIOul4MAjM1nvMxxzHy44Xm1sIiB1YOhe45DwIfPipcLFGZW73PmQHwAQiqCMsJKrLRdCqf0BEI2Q0iu8fBFyBycVyOlFhjDAZB2l7/0YaQqNWj6OLVO/IR3A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722492644; c=relaxed/simple; bh=ONCzrmemywG2vkX0T5B4JcZZcN6Oq4w/h9cKr2li05M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=G/2J7dTldtxYHPnZdMDGH0b24SGQMSuGWvaJ9YgTZ/Oj0moLKjtOXWXXNkX6KIKa9PAOmFwykZkcdI0I8JPwWIsGEIVJghAhfscD2rrM7n+jVnBpLoKhpJkSGqruI8jpuX2LDqw/d8u8hfBUCGgoFiGvbSd0z9LVnM+nl0FKsko= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BzrrpwSU; 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="BzrrpwSU" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0EE00C4AF0E; Thu, 1 Aug 2024 06:10:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722492644; bh=ONCzrmemywG2vkX0T5B4JcZZcN6Oq4w/h9cKr2li05M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BzrrpwSUCZF+YtPmGe8wYoZtOINEkc03C0wjZ6L1V7Ke9yxnnMKhlxOvWTmr3xNKL RwwQ4qbUzVP72GFWRT0LGacckCL17mMefUkGOCL5lNJFKFcUO5MN1ZU5IcXIYSAsBa Ayk8ocLa9tikf+2dBzqD2xckHWAaWuGol/rUMIS3I0bensi+3b8VKqMhBWSQUxWvWz 7OosMhy+ydzopL682Cq/octMdJ4VWiYIdp8tVyjGqJJLE9jFcr4SQmDw2fW/hbasZw zsU4ENLhqEvLQCPXighzypwrPAnA2uGQICNKQ2ub5hIHuHOxXf35551P+mRG1wi1wA 3mCgasT1JPP8Q== From: Mike Rapoport To: linux-kernel@vger.kernel.org Cc: Alexander Gordeev , Andreas Larsson , Andrew Morton , Arnd Bergmann , Borislav Petkov , Catalin Marinas , Christophe Leroy , Dan Williams , Dave Hansen , David Hildenbrand , "David S. Miller" , Davidlohr Bueso , Greg Kroah-Hartman , Heiko Carstens , Huacai Chen , Ingo Molnar , Jiaxun Yang , John Paul Adrian Glaubitz , Jonathan Cameron , Jonathan Corbet , Michael Ellerman , Mike Rapoport , Palmer Dabbelt , "Rafael J. Wysocki" , Rob Herring , Samuel Holland , Thomas Bogendoerfer , Thomas Gleixner , Vasily Gorbik , Will Deacon , Zi Yan , devicetree@vger.kernel.org, linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-cxl@vger.kernel.org, linux-doc@vger.kernel.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, nvdimm@lists.linux.dev, sparclinux@vger.kernel.org, x86@kernel.org Subject: [PATCH v3 10/26] x86/numa: simplify numa_distance allocation Date: Thu, 1 Aug 2024 09:08:10 +0300 Message-ID: <20240801060826.559858-11-rppt@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240801060826.559858-1-rppt@kernel.org> References: <20240801060826.559858-1-rppt@kernel.org> Precedence: bulk X-Mailing-List: linux-sh@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: "Mike Rapoport (Microsoft)" Allocation of numa_distance uses memblock_phys_alloc_range() to limit allocation to be below the last mapped page. But NUMA initializaition runs after the direct map is populated and there is also code in setup_arch() that adjusts memblock limit to reflect how much memory is already mapped in the direct map. Simplify the allocation of numa_distance and use plain memblock_alloc(). Signed-off-by: Mike Rapoport (Microsoft) Tested-by: Zi Yan # for x86_64 and arm64 Reviewed-by: Jonathan Cameron Acked-by: David Hildenbrand --- arch/x86/mm/numa.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index 5e1dde26674b..edfc38803779 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -331,7 +331,6 @@ static int __init numa_alloc_distance(void) nodemask_t nodes_parsed; size_t size; int i, j, cnt = 0; - u64 phys; /* size the new table and allocate it */ nodes_parsed = numa_nodes_parsed; @@ -342,16 +341,14 @@ static int __init numa_alloc_distance(void) cnt++; size = cnt * cnt * sizeof(numa_distance[0]); - phys = memblock_phys_alloc_range(size, PAGE_SIZE, 0, - PFN_PHYS(max_pfn_mapped)); - if (!phys) { + numa_distance = memblock_alloc(size, PAGE_SIZE); + if (!numa_distance) { pr_warn("Warning: can't allocate distance table!\n"); /* don't retry until explicitly reset */ numa_distance = (void *)1LU; return -ENOMEM; } - numa_distance = __va(phys); numa_distance_cnt = cnt; /* fill with the default distances */