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 194F814BF8B; Mon, 7 Oct 2024 06:29:54 +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=1728282594; cv=none; b=OUnqmeQWHmo447jNH0Cvchcw+uuMdJgltLLvEEsHQ6shywW2fcb0ABnz/7RF6P+Kn9Z78I/qXO/BVSd5dVoutqZBeGzCb40arUNKaAZu5oWsXZkJ6W7NHtHBWJC4Q7blRL/DGUr7FCXRyQ8XlnEiZ1i1ZyLLc7NXOuZGd9TdWPE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728282594; c=relaxed/simple; bh=FFXSlSIenlvc/JFQhdQdJ8pK7321CYQcMdI24yMcjAo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=P2WrD/YKR9/cnDi/Hmml7m6RjtqXaLUp8vUyljlHlCF9WMC6bJcJl3o2Q22/K3oZSB3Efur1Ca/2SNHLi6o09TxHDBKo5jevFUMCJKkz1E4S7T67XTbItKyHnLrGiyBzr13DCeY9TMEzOqT9u5uIIYUBrjuMmzvCCDWeih4HXUo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OQrnWRR3; 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="OQrnWRR3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EF2BFC4CEC6; Mon, 7 Oct 2024 06:29:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1728282594; bh=FFXSlSIenlvc/JFQhdQdJ8pK7321CYQcMdI24yMcjAo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OQrnWRR3/g7hkdwqKSPCCpC6iFIYY/d292H/OkXvsUSIeBCbNT8KZSGMgs98muJ6O hStgp6uWL5I4mPNO24G+F+cFs8u7131j/Ey2uNjues5m4rGfIl+ezO5d7V6cyfXRrB ff1uz0i8ryxaYlWwqB3Tbk2Qfaen2IbD0G0cn3eSzNqjZHyYnCmEOJkRb1lVxqWFoq uXQrayzrXN+XpU2Oiz+opHfaOrJilIbQoWVWPrD++Zkr2uZPOk/qb3+N03ykByAfhN p1iJ7Mmzt/MjewEvg+nhLagLlQ4uD909oU6Ls/cTOKl5Oc1CSXLgqfomaexJDZ7MVY yRZGKqDqoDdLw== From: Mike Rapoport To: Andrew Morton Cc: Andreas Larsson , Andy Lutomirski , Ard Biesheuvel , Arnd Bergmann , Borislav Petkov , Brian Cain , Catalin Marinas , Christoph Hellwig , Christophe Leroy , Dave Hansen , Dinh Nguyen , Geert Uytterhoeven , Guo Ren , Helge Deller , Huacai Chen , Ingo Molnar , Johannes Berg , John Paul Adrian Glaubitz , Kent Overstreet , "Liam R. Howlett" , Luis Chamberlain , Mark Rutland , Masami Hiramatsu , Matt Turner , Max Filippov , Michael Ellerman , Michal Simek , Mike Rapoport , Oleg Nesterov , Palmer Dabbelt , Peter Zijlstra , Richard Weinberger , Russell King , Song Liu , Stafford Horne , Steven Rostedt , Thomas Bogendoerfer , Thomas Gleixner , Uladzislau Rezki , Vineet Gupta , Will Deacon , bpf@vger.kernel.org, linux-alpha@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-modules@vger.kernel.org, linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-trace-kernel@vger.kernel.org, linux-um@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, sparclinux@vger.kernel.org, x86@kernel.org Subject: [PATCH v4 2/8] mm: vmalloc: don't account for number of nodes for HUGE_VMAP allocations Date: Mon, 7 Oct 2024 09:28:52 +0300 Message-ID: <20241007062858.44248-3-rppt@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241007062858.44248-1-rppt@kernel.org> References: <20241007062858.44248-1-rppt@kernel.org> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: "Mike Rapoport (Microsoft)" vmalloc allocations with VM_ALLOW_HUGE_VMAP that do not explicitly specify node ID will use huge pages only if size_per_node is larger than a huge page. Still the actual allocated memory is not distributed between nodes and there is no advantage in such approach. On the contrary, BPF allocates SZ_2M * num_possible_nodes() for each new bpf_prog_pack, while it could do with a single huge page per pack. Don't account for number of nodes for VM_ALLOW_HUGE_VMAP with NUMA_NO_NODE and use huge pages whenever the requested allocation size is larger than a huge page. Signed-off-by: Mike Rapoport (Microsoft) --- mm/vmalloc.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 634162271c00..86b2344d7461 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -3763,8 +3763,6 @@ void *__vmalloc_node_range_noprof(unsigned long size, unsigned long align, } if (vmap_allow_huge && (vm_flags & VM_ALLOW_HUGE_VMAP)) { - unsigned long size_per_node; - /* * Try huge pages. Only try for PAGE_KERNEL allocations, * others like modules don't yet expect huge pages in @@ -3772,13 +3770,10 @@ void *__vmalloc_node_range_noprof(unsigned long size, unsigned long align, * supporting them. */ - size_per_node = size; - if (node == NUMA_NO_NODE) - size_per_node /= num_online_nodes(); - if (arch_vmap_pmd_supported(prot) && size_per_node >= PMD_SIZE) + if (arch_vmap_pmd_supported(prot) && size >= PMD_SIZE) shift = PMD_SHIFT; else - shift = arch_vmap_pte_supported_shift(size_per_node); + shift = arch_vmap_pte_supported_shift(size); align = max(real_align, 1UL << shift); size = ALIGN(real_size, 1UL << shift); -- 2.43.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 75A19CFB440 for ; Mon, 7 Oct 2024 06:34:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=E/JQiOLyTD577XHDv7CHYKogh5DFnVcr7tD/WeJQCkw=; b=FJjDGW/QFTpGgV rpi/TCBbnAsFzUwB7I03Ezsb9HOV/N4kdWh8su13uW9QlKWirReDTSnjbsX+/duW2TOkZLDoqgUDs 3Rw72I79nE20tb2PoYjZKV5N90r7q2yjtdv/DdsrWjMjU+fdYZkuUz8LciOemifTIvOp/JCmnRUFz I8ZxuyaRb9e0TDI1Jse61xTOIgL7U9xShQdhY0gO5GjyQ/9X0Yu/h9/hwYqIDYp82+cOuqtcjLn9a GGGaby3WpB8LFyICjIpMpx34/uk1le8UG5cIAyuL3j0EzoC4NTPsQ6OfyMcgDUjlSy6efcjYBl/0D pKwpgUleIhAcqiTKa67w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1sxhJm-00000001Ruk-0coz; Mon, 07 Oct 2024 06:34:06 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1sxhFi-00000001QMb-3bxq; Mon, 07 Oct 2024 06:29:56 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 06EF05C59DC; Mon, 7 Oct 2024 06:29:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EF2BFC4CEC6; Mon, 7 Oct 2024 06:29:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1728282594; bh=FFXSlSIenlvc/JFQhdQdJ8pK7321CYQcMdI24yMcjAo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OQrnWRR3/g7hkdwqKSPCCpC6iFIYY/d292H/OkXvsUSIeBCbNT8KZSGMgs98muJ6O hStgp6uWL5I4mPNO24G+F+cFs8u7131j/Ey2uNjues5m4rGfIl+ezO5d7V6cyfXRrB ff1uz0i8ryxaYlWwqB3Tbk2Qfaen2IbD0G0cn3eSzNqjZHyYnCmEOJkRb1lVxqWFoq uXQrayzrXN+XpU2Oiz+opHfaOrJilIbQoWVWPrD++Zkr2uZPOk/qb3+N03ykByAfhN p1iJ7Mmzt/MjewEvg+nhLagLlQ4uD909oU6Ls/cTOKl5Oc1CSXLgqfomaexJDZ7MVY yRZGKqDqoDdLw== From: Mike Rapoport To: Andrew Morton Cc: Andreas Larsson , Andy Lutomirski , Ard Biesheuvel , Arnd Bergmann , Borislav Petkov , Brian Cain , Catalin Marinas , Christoph Hellwig , Christophe Leroy , Dave Hansen , Dinh Nguyen , Geert Uytterhoeven , Guo Ren , Helge Deller , Huacai Chen , Ingo Molnar , Johannes Berg , John Paul Adrian Glaubitz , Kent Overstreet , "Liam R. Howlett" , Luis Chamberlain , Mark Rutland , Masami Hiramatsu , Matt Turner , Max Filippov , Michael Ellerman , Michal Simek , Mike Rapoport , Oleg Nesterov , Palmer Dabbelt , Peter Zijlstra , Richard Weinberger , Russell King , Song Liu , Stafford Horne , Steven Rostedt , Thomas Bogendoerfer , Thomas Gleixner , Uladzislau Rezki , Vineet Gupta , Will Deacon , bpf@vger.kernel.org, linux-alpha@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-modules@vger.kernel.org, linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-trace-kernel@vger.kernel.org, linux-um@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, sparclinux@vger.kernel.org, x86@kernel.org Subject: [PATCH v4 2/8] mm: vmalloc: don't account for number of nodes for HUGE_VMAP allocations Date: Mon, 7 Oct 2024 09:28:52 +0300 Message-ID: <20241007062858.44248-3-rppt@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241007062858.44248-1-rppt@kernel.org> References: <20241007062858.44248-1-rppt@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241006_232955_027439_37BF9579 X-CRM114-Status: GOOD ( 12.73 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: "Mike Rapoport (Microsoft)" vmalloc allocations with VM_ALLOW_HUGE_VMAP that do not explicitly specify node ID will use huge pages only if size_per_node is larger than a huge page. Still the actual allocated memory is not distributed between nodes and there is no advantage in such approach. On the contrary, BPF allocates SZ_2M * num_possible_nodes() for each new bpf_prog_pack, while it could do with a single huge page per pack. Don't account for number of nodes for VM_ALLOW_HUGE_VMAP with NUMA_NO_NODE and use huge pages whenever the requested allocation size is larger than a huge page. Signed-off-by: Mike Rapoport (Microsoft) --- mm/vmalloc.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 634162271c00..86b2344d7461 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -3763,8 +3763,6 @@ void *__vmalloc_node_range_noprof(unsigned long size, unsigned long align, } if (vmap_allow_huge && (vm_flags & VM_ALLOW_HUGE_VMAP)) { - unsigned long size_per_node; - /* * Try huge pages. Only try for PAGE_KERNEL allocations, * others like modules don't yet expect huge pages in @@ -3772,13 +3770,10 @@ void *__vmalloc_node_range_noprof(unsigned long size, unsigned long align, * supporting them. */ - size_per_node = size; - if (node == NUMA_NO_NODE) - size_per_node /= num_online_nodes(); - if (arch_vmap_pmd_supported(prot) && size_per_node >= PMD_SIZE) + if (arch_vmap_pmd_supported(prot) && size >= PMD_SIZE) shift = PMD_SHIFT; else - shift = arch_vmap_pte_supported_shift(size_per_node); + shift = arch_vmap_pte_supported_shift(size); align = max(real_align, 1UL << shift); size = ALIGN(real_size, 1UL << shift); -- 2.43.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E486ACFB444 for ; Mon, 7 Oct 2024 06:34:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=t+GBvVgIcn6AQShWiBb0lIX6FzuH57vqbqNZD2ZTxPc=; b=voqWiwlmhA6NGj 0w2MAQtW5t1tiOwJ1vDKNuVRYm6ZnoaalnPtAgpse3nakX5fjet0yxSZqxW+VlcQFN0s7MGAm+ben /G23xOS8YRdz/gKuv4d6XzdJo7b9y06IbPkS/LsUS4y8FK9AeLNOWTqIe8HNuarzwD8we40yl/4/k DH118lXRsdR4CSjOlc8HkTmLVvFSUfBqaGKGfC45uphBCu/Aweo0Hm2l/cWxbNK2sRjcME9YI6lJn bGKzL1a7CjJj4xGZsKxsMVe5E1gWBF29zG0sRfA7jaE6OMxtobL99A9TylAQph99EKSCuLh9Y+Ux0 0HFZT6/2eNmMZz1OluKw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1sxhJo-00000001Rvv-0joe; Mon, 07 Oct 2024 06:34:08 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1sxhFi-00000001QMb-3bxq; Mon, 07 Oct 2024 06:29:56 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 06EF05C59DC; Mon, 7 Oct 2024 06:29:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EF2BFC4CEC6; Mon, 7 Oct 2024 06:29:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1728282594; bh=FFXSlSIenlvc/JFQhdQdJ8pK7321CYQcMdI24yMcjAo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OQrnWRR3/g7hkdwqKSPCCpC6iFIYY/d292H/OkXvsUSIeBCbNT8KZSGMgs98muJ6O hStgp6uWL5I4mPNO24G+F+cFs8u7131j/Ey2uNjues5m4rGfIl+ezO5d7V6cyfXRrB ff1uz0i8ryxaYlWwqB3Tbk2Qfaen2IbD0G0cn3eSzNqjZHyYnCmEOJkRb1lVxqWFoq uXQrayzrXN+XpU2Oiz+opHfaOrJilIbQoWVWPrD++Zkr2uZPOk/qb3+N03ykByAfhN p1iJ7Mmzt/MjewEvg+nhLagLlQ4uD909oU6Ls/cTOKl5Oc1CSXLgqfomaexJDZ7MVY yRZGKqDqoDdLw== From: Mike Rapoport To: Andrew Morton Cc: Andreas Larsson , Andy Lutomirski , Ard Biesheuvel , Arnd Bergmann , Borislav Petkov , Brian Cain , Catalin Marinas , Christoph Hellwig , Christophe Leroy , Dave Hansen , Dinh Nguyen , Geert Uytterhoeven , Guo Ren , Helge Deller , Huacai Chen , Ingo Molnar , Johannes Berg , John Paul Adrian Glaubitz , Kent Overstreet , "Liam R. Howlett" , Luis Chamberlain , Mark Rutland , Masami Hiramatsu , Matt Turner , Max Filippov , Michael Ellerman , Michal Simek , Mike Rapoport , Oleg Nesterov , Palmer Dabbelt , Peter Zijlstra , Richard Weinberger , Russell King , Song Liu , Stafford Horne , Steven Rostedt , Thomas Bogendoerfer , Thomas Gleixner , Uladzislau Rezki , Vineet Gupta , Will Deacon , bpf@vger.kernel.org, linux-alpha@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-modules@vger.kernel.org, linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-trace-kernel@vger.kernel.org, linux-um@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, sparclinux@vger.kernel.org, x86@kernel.org Subject: [PATCH v4 2/8] mm: vmalloc: don't account for number of nodes for HUGE_VMAP allocations Date: Mon, 7 Oct 2024 09:28:52 +0300 Message-ID: <20241007062858.44248-3-rppt@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241007062858.44248-1-rppt@kernel.org> References: <20241007062858.44248-1-rppt@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241006_232955_027439_37BF9579 X-CRM114-Status: GOOD ( 12.73 ) X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org From: "Mike Rapoport (Microsoft)" vmalloc allocations with VM_ALLOW_HUGE_VMAP that do not explicitly specify node ID will use huge pages only if size_per_node is larger than a huge page. Still the actual allocated memory is not distributed between nodes and there is no advantage in such approach. On the contrary, BPF allocates SZ_2M * num_possible_nodes() for each new bpf_prog_pack, while it could do with a single huge page per pack. Don't account for number of nodes for VM_ALLOW_HUGE_VMAP with NUMA_NO_NODE and use huge pages whenever the requested allocation size is larger than a huge page. Signed-off-by: Mike Rapoport (Microsoft) --- mm/vmalloc.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 634162271c00..86b2344d7461 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -3763,8 +3763,6 @@ void *__vmalloc_node_range_noprof(unsigned long size, unsigned long align, } if (vmap_allow_huge && (vm_flags & VM_ALLOW_HUGE_VMAP)) { - unsigned long size_per_node; - /* * Try huge pages. Only try for PAGE_KERNEL allocations, * others like modules don't yet expect huge pages in @@ -3772,13 +3770,10 @@ void *__vmalloc_node_range_noprof(unsigned long size, unsigned long align, * supporting them. */ - size_per_node = size; - if (node == NUMA_NO_NODE) - size_per_node /= num_online_nodes(); - if (arch_vmap_pmd_supported(prot) && size_per_node >= PMD_SIZE) + if (arch_vmap_pmd_supported(prot) && size >= PMD_SIZE) shift = PMD_SHIFT; else - shift = arch_vmap_pte_supported_shift(size_per_node); + shift = arch_vmap_pte_supported_shift(size); align = max(real_align, 1UL << shift); size = ALIGN(real_size, 1UL << shift); -- 2.43.0 _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc