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[IA64-SGI] fix the size of __sn_cnodeid_to_nasid

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The __sn_cnodeid_to_nasid array was incorrectly sized at MAX_NUMNODES.
On a large system, this array could overflow.  The following patch
corrects this by defining it to MAX_COMPACT_NODES.

Signed-off-by: Dean Roe <roe@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Dean Roe 2006-02-14 15:01:23 -06:00 committed by Tony Luck
parent 9c65cb9be6
commit c2a4969ba1
2 changed files with 2 additions and 2 deletions
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2
arch/ia64/sn/kernel/setup.c
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@ -75,7 +75,7 @@ EXPORT_SYMBOL(sn_rtc_cycles_per_second);
DEFINE_PER_CPU(struct sn_hub_info_s, __sn_hub_info); DEFINE_PER_CPU(struct sn_hub_info_s, __sn_hub_info);
EXPORT_PER_CPU_SYMBOL(__sn_hub_info); EXPORT_PER_CPU_SYMBOL(__sn_hub_info);
DEFINE_PER_CPU(short, __sn_cnodeid_to_nasid[MAX_NUMNODES]); DEFINE_PER_CPU(short, __sn_cnodeid_to_nasid[MAX_COMPACT_NODES]);
EXPORT_PER_CPU_SYMBOL(__sn_cnodeid_to_nasid); EXPORT_PER_CPU_SYMBOL(__sn_cnodeid_to_nasid);
DEFINE_PER_CPU(struct nodepda_s *, __sn_nodepda); DEFINE_PER_CPU(struct nodepda_s *, __sn_nodepda);

2
include/asm-ia64/sn/arch.h
View File

@ -70,7 +70,7 @@ DECLARE_PER_CPU(struct sn_hub_info_s, __sn_hub_info);
* Compact node ID to nasid mappings kept in the per-cpu data areas of each * Compact node ID to nasid mappings kept in the per-cpu data areas of each
* cpu. * cpu.
*/ */
DECLARE_PER_CPU(short, __sn_cnodeid_to_nasid[MAX_NUMNODES]); DECLARE_PER_CPU(short, __sn_cnodeid_to_nasid[MAX_COMPACT_NODES]);
#define sn_cnodeid_to_nasid (&__get_cpu_var(__sn_cnodeid_to_nasid[0])) #define sn_cnodeid_to_nasid (&__get_cpu_var(__sn_cnodeid_to_nasid[0]))