pss_delta         540 fs/proc/task_mmu.c 				u64 pss_delta = (u64)PAGE_SIZE << PSS_SHIFT;
pss_delta         542 fs/proc/task_mmu.c 				do_div(pss_delta, mapcount);
pss_delta         543 fs/proc/task_mmu.c 				mss->swap_pss += pss_delta;