mm: count swap usage

[mirror_ubuntu-artful-kernel.git] / fs / proc / task_mmu.c

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 37558127601180a48c39a84cd9794d69a2bc08df..183f8ff5f400b90d8b128465551d8157004f20d2 100644 (file)
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -16,7 +16,7 @@
 
 void task_mem(struct seq_file *m, struct mm_struct *mm)
 {
-       unsigned long data, text, lib;
+       unsigned long data, text, lib, swap;
        unsigned long hiwater_vm, total_vm, hiwater_rss, total_rss;
 
        /*
@@ -36,6 +36,7 @@ void task_mem(struct seq_file *m, struct mm_struct *mm)
        data = mm->total_vm - mm->shared_vm - mm->stack_vm;
        text = (PAGE_ALIGN(mm->end_code) - (mm->start_code & PAGE_MASK)) >> 10;
        lib = (mm->exec_vm << (PAGE_SHIFT-10)) - text;
+       swap = get_mm_counter(mm, MM_SWAPENTS);
        seq_printf(m,
                "VmPeak:\t%8lu kB\n"
                "VmSize:\t%8lu kB\n"
@@ -46,7 +47,8 @@ void task_mem(struct seq_file *m, struct mm_struct *mm)
                "VmStk:\t%8lu kB\n"
                "VmExe:\t%8lu kB\n"
                "VmLib:\t%8lu kB\n"
-               "VmPTE:\t%8lu kB\n",
+               "VmPTE:\t%8lu kB\n"
+               "VmSwap:\t%8lu kB\n",
                hiwater_vm << (PAGE_SHIFT-10),
                (total_vm - mm->reserved_vm) << (PAGE_SHIFT-10),
                mm->locked_vm << (PAGE_SHIFT-10),
@@ -54,7 +56,8 @@ void task_mem(struct seq_file *m, struct mm_struct *mm)
                total_rss << (PAGE_SHIFT-10),
                data << (PAGE_SHIFT-10),
                mm->stack_vm << (PAGE_SHIFT-10), text, lib,
-               (PTRS_PER_PTE*sizeof(pte_t)*mm->nr_ptes) >> 10);
+               (PTRS_PER_PTE*sizeof(pte_t)*mm->nr_ptes) >> 10,
+               swap << (PAGE_SHIFT-10));
 }
 
 unsigned long task_vsize(struct mm_struct *mm)