patch-2.4.17 linux/arch/i386/kernel/smp.c

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diff -Naur -X /home/marcelo/lib/dontdiff linux-2.4.16/arch/i386/kernel/smp.c linux/arch/i386/kernel/smp.c
@@ -17,6 +17,7 @@
 #include <linux/smp_lock.h>
 #include <linux/kernel_stat.h>
 #include <linux/mc146818rtc.h>
+#include <linux/cache.h>
 
 #include <asm/mtrr.h>
 #include <asm/pgalloc.h>
@@ -102,7 +103,7 @@
  */
 
 /* The 'big kernel lock' */
-spinlock_t kernel_flag = SPIN_LOCK_UNLOCKED;
+spinlock_t kernel_flag __cacheline_aligned_in_smp = SPIN_LOCK_UNLOCKED;
 
 struct tlb_state cpu_tlbstate[NR_CPUS] = {[0 ... NR_CPUS-1] = { &init_mm, 0 }};
 

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