swap_usage_in_pages
n -= swap_usage_in_pages(sis);
if (!swap_usage_in_pages(si))
while (swap_usage_in_pages(si) &&
while (swap_usage_in_pages(si) &&
if (swap_usage_in_pages(si)) {
if (swap_usage_in_pages(swap_info[type]))
inuse = K(swap_usage_in_pages(si));
nr_to_be_unused += swap_usage_in_pages(si);
to_scan = swap_usage_in_pages(si) / SWAPFILE_CLUSTER;