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    Subject[PATCH 01/20] mm: print swapcache page count in show_swap_cache_info()
    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@saeurebad.de>
    ---
    mm/swap_state.c | 3 ++-
    1 file changed, 2 insertions(+), 1 deletion(-)

    --- 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));
    --



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