lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 1 Sep 2016 14:55:03 +0800 From: Zhen Lei <thunder.leizhen@...wei.com> To: Catalin Marinas <catalin.marinas@....com>, Will Deacon <will.deacon@....com>, linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>, linux-kernel <linux-kernel@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>, "Frank Rowand" <frowand.list@...il.com>, devicetree <devicetree@...r.kernel.org>, Andrew Morton <akpm@...ux-foundation.org>, linux-mm <linux-mm@...ck.org> CC: Zefan Li <lizefan@...wei.com>, Xinwei Hu <huxinwei@...wei.com>, "Tianhong Ding" <dingtianhong@...wei.com>, Hanjun Guo <guohanjun@...wei.com>, Zhen Lei <thunder.leizhen@...wei.com> Subject: [PATCH v8 12/16] arm64/numa: remove some useless code When the deleted code is executed, only the bit of cpu0 was set on cpu_possible_mask. So that, only set_cpu_numa_node(0, NUMA_NO_NODE); will be executed. And map_cpu_to_node(0, 0) will soon be called. So these code can be safely removed. Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com> --- arch/arm64/mm/numa.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c index 891bdaa..72f4539 100644 --- a/arch/arm64/mm/numa.c +++ b/arch/arm64/mm/numa.c @@ -95,7 +95,6 @@ void numa_clear_node(unsigned int cpu) */ static void __init setup_node_to_cpumask_map(void) { - unsigned int cpu; int node; /* setup nr_node_ids if not done yet */ @@ -108,9 +107,6 @@ static void __init setup_node_to_cpumask_map(void) cpumask_clear(node_to_cpumask_map[node]); } - for_each_possible_cpu(cpu) - set_cpu_numa_node(cpu, NUMA_NO_NODE); - /* cpumask_of_node() will now work */ pr_debug("Node to cpumask map for %d nodes\n", nr_node_ids); } -- 2.5.0
Powered by blists - more mailing lists