[patch 01/22] Print current swapcache page count in show_swap_cache_info()

[hannes]

Most show_mem() implementations calculate the amount of pages within
the swapcache every time.  Move the output to a more appropriate place
and use the anyway available total_swapcache_pages variable.

Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxxx>
---

diff --git a/mm/swap_state.c b/mm/swap_state.c
index 50757ee..71cc0e1 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -56,7 +56,8 @@ static struct {
 
 void show_swap_cache_info(void)
 {
-	printk("Swap cache: add %lu, delete %lu, find %lu/%lu\n",
+	printk("%lu pages in swap cache\n", total_swapcache_pages);
+	printk("Swap cache stats: add %lu, delete %lu, find %lu/%lu\n",
 		swap_cache_info.add_total, swap_cache_info.del_total,
 		swap_cache_info.find_success, swap_cache_info.find_total);
 	printk("Free swap  = %lukB\n", nr_swap_pages << (PAGE_SHIFT - 10));

--