mm: account pmd page tables to the process

[cascardo/linux.git] / fs / proc / task_mmu.c

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 6396f88..e6e0abe 100644 (file)
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -21,7 +21,7 @@
 
 void task_mem(struct seq_file *m, struct mm_struct *mm)
 {
-       unsigned long data, text, lib, swap;
+       unsigned long data, text, lib, swap, ptes, pmds;
        unsigned long hiwater_vm, total_vm, hiwater_rss, total_rss;
 
        /*
@@ -42,6 +42,8 @@ void task_mem(struct seq_file *m, struct mm_struct *mm)
        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);
+       ptes = PTRS_PER_PTE * sizeof(pte_t) * atomic_long_read(&mm->nr_ptes);
+       pmds = PTRS_PER_PMD * sizeof(pmd_t) * mm_nr_pmds(mm);
        seq_printf(m,
                "VmPeak:\t%8lu kB\n"
                "VmSize:\t%8lu kB\n"
@@ -54,6 +56,7 @@ void task_mem(struct seq_file *m, struct mm_struct *mm)
                "VmExe:\t%8lu kB\n"
                "VmLib:\t%8lu kB\n"
                "VmPTE:\t%8lu kB\n"
+               "VmPMD:\t%8lu kB\n"
                "VmSwap:\t%8lu kB\n",
                hiwater_vm << (PAGE_SHIFT-10),
                total_vm << (PAGE_SHIFT-10),
@@ -63,8 +66,8 @@ 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) *
-                atomic_long_read(&mm->nr_ptes)) >> 10,
+               ptes >> 10,
+               pmds >> 10,
                swap << (PAGE_SHIFT-10));
 }