Index: head/sys/sys/vmmeter.h =================================================================== --- head/sys/sys/vmmeter.h +++ head/sys/sys/vmmeter.h @@ -60,6 +60,12 @@ #if defined(_KERNEL) || defined(_WANT_VMMETER) #include +#ifdef _KERNEL +#define VMMETER_ALIGNED __aligned(CACHE_LINE_SIZE) +#else +#define VMMETER_ALIGNED +#endif + /* * System wide statistics counters. * Locking: @@ -126,14 +132,15 @@ u_int v_free_target; /* (c) pages desired free */ u_int v_free_min; /* (c) pages desired free */ u_int v_free_count; /* (f) pages free */ - u_int v_wire_count; /* (a) pages wired down */ - u_int v_active_count; /* (q) pages active */ u_int v_inactive_target; /* (c) pages desired inactive */ - u_int v_inactive_count; /* (q) pages inactive */ - u_int v_laundry_count; /* (q) pages eligible for laundering */ u_int v_pageout_free_min; /* (c) min pages reserved for kernel */ u_int v_interrupt_free_min; /* (c) reserved pages for int code */ u_int v_free_severe; /* (c) severe page depletion point */ + u_int v_wire_count VMMETER_ALIGNED; /* (a) pages wired down */ + u_int v_active_count VMMETER_ALIGNED; /* (a) pages active */ + u_int v_inactive_count VMMETER_ALIGNED; /* (a) pages inactive */ + u_int v_laundry_count VMMETER_ALIGNED; /* (a) pages eligible for + laundering */ }; #endif /* _KERNEL || _WANT_VMMETER */ Index: head/sys/vm/vm_meter.c =================================================================== --- head/sys/vm/vm_meter.c +++ head/sys/vm/vm_meter.c @@ -56,7 +56,7 @@ #include #include -struct vmmeter vm_cnt = { +struct vmmeter __exclusive_cache_line vm_cnt = { .v_swtch = EARLY_COUNTER, .v_trap = EARLY_COUNTER, .v_syscall = EARLY_COUNTER,