D18381.id51473.diff
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	Index: head/sys/vm/swap_pager.c
	===================================================================
	--- head/sys/vm/swap_pager.c
	+++ head/sys/vm/swap_pager.c
	@@ -547,12 +547,12 @@
	mtx_unlock(&pbuf_mtx);

	/*
	- * Initialize our zone, guessing on the number we need based
	- * on the number of pages in the system.
	+ * Initialize our zone, taking the user's requested size or
	+ * estimating the number we need based on the number of pages
	+ * in the system.
	*/
	- n = vm_cnt.v_page_count / 2;
	- if (maxswzone && n > maxswzone / sizeof(struct swblk))
	- n = maxswzone / sizeof(struct swblk);
	+ n = maxswzone != 0 ? maxswzone / sizeof(struct swblk) :
	+ vm_cnt.v_page_count / 2;
	swpctrie_zone = uma_zcreate("swpctrie", pctrie_node_size(), NULL, NULL,
	pctrie_zone_init, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM);
	if (swpctrie_zone == NULL)
	@@ -580,7 +580,7 @@
	n = uma_zone_get_max(swblk_zone);

	if (n < n2)
	- printf("Swap blk zone entries reduced from %lu to %lu.\n",
	+ printf("Swap blk zone entries changed from %lu to %lu.\n",
	n2, n);
	swap_maxpages = n * SWAP_META_PAGES;
	swzone = n * sizeof(struct swblk);