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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 <sys/counter.h>
+#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 <vm/vm_object.h>
#include <sys/sysctl.h>
-struct vmmeter vm_cnt = {
+struct vmmeter __exclusive_cache_line vm_cnt = {
.v_swtch = EARLY_COUNTER,
.v_trap = EARLY_COUNTER,
.v_syscall = EARLY_COUNTER,

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