D3439.diff
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	Index: head/sys/vm/vm_pageout.c
	===================================================================
	--- head/sys/vm/vm_pageout.c
	+++ head/sys/vm/vm_pageout.c
	@@ -93,6 +93,7 @@
	#include <sys/sdt.h>
	#include <sys/signalvar.h>
	#include <sys/smp.h>
	+#include <sys/time.h>
	#include <sys/vnode.h>
	#include <sys/vmmeter.h>
	#include <sys/rwlock.h>
	@@ -171,7 +172,7 @@
	static int defer_swap_pageouts;
	static int disable_swap_pageouts;
	static int lowmem_period = 10;
	-static int lowmem_ticks;
	+static time_t lowmem_uptime;

	#if defined(NO_SWAPPING)
	static int vm_swap_enabled = 0;
	@@ -1034,7 +1035,7 @@
	* some. We rate limit to avoid thrashing.
	*/
	if (vmd == &vm_dom[0] && pass > 0 &&
	- (ticks - lowmem_ticks) / hz >= lowmem_period) {
	+ (time_uptime - lowmem_uptime) >= lowmem_period) {
	/*
	* Decrease registered cache sizes.
	*/
	@@ -1045,7 +1046,7 @@
	* drained above.
	*/
	uma_reclaim();
	- lowmem_ticks = ticks;
	+ lowmem_uptime = time_uptime;
	}

	/*