linux-kernel - Re: [PATCH 08/10] x86: Change NR_CPUS arrays in numa

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Message-ID: <Pine.LNX.4.64.0801141913100.24893@fbirervta.pbzchgretzou.qr>
Date:	Mon, 14 Jan 2008 19:14:28 +0100 (CET)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	travis@....com
cc:	Andrew Morton <akpm@...ux-foundation.org>, Andi Kleen <ak@...e.de>,
	mingo@...e.hu, Christoph Lameter <clameter@....com>,
	Jack Steiner <steiner@....com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 08/10] x86: Change NR_CPUS arrays in numa_64


On Jan 13 2008 10:35, travis@....com wrote:
>--- a/arch/x86/kernel/setup_64.c
>+++ b/arch/x86/kernel/setup_64.c
>@@ -372,8 +373,9 @@ void __init setup_arch(char **cmdline_p)
> 	io_delay_init();
> 
> #ifdef CONFIG_SMP
>-	/* setup to use the static apicid table during kernel startup */
>+	/* setup to use the early static init tables during kernel startup */
> 	x86_cpu_to_apicid_early_ptr = (void *)&x86_cpu_to_apicid_init;
>+	x86_cpu_to_node_map_early_ptr = (void *)&x86_cpu_to_node_map_init;
> #endif
> 
> #ifdef CONFIG_ACPI

Please do not add unnecessary casts.

>--- a/arch/x86/kernel/smpboot_64.c
>+++ b/arch/x86/kernel/smpboot_64.c
>@@ -559,8 +563,16 @@ __cpuinit void numa_add_cpu(int cpu)
> 
> void __cpuinit numa_set_node(int cpu, int node)
> {
>+	u16 *cpu_to_node_map = (u16 *)x86_cpu_to_node_map_early_ptr;
>+

^

> static inline int cpu_to_node(int cpu)
> {
>-	return cpu_to_node_map[cpu];
>+	u16 *cpu_to_node_map = (u16 *)x86_cpu_to_node_map_early_ptr;

^
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