diff options
| -rw-r--r-- | fs/proc/task_mmu.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 9d22c1c1caa8..199088ee969b 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -120,6 +120,7 @@ struct mem_size_stats unsigned long shared_dirty; unsigned long private_clean; unsigned long private_dirty; + unsigned long referenced; }; struct pmd_walker { @@ -188,18 +189,20 @@ static int show_map_internal(struct seq_file *m, void *v, struct mem_size_stats if (mss) seq_printf(m, - "Size: %8lu kB\n" - "Rss: %8lu kB\n" - "Shared_Clean: %8lu kB\n" - "Shared_Dirty: %8lu kB\n" - "Private_Clean: %8lu kB\n" - "Private_Dirty: %8lu kB\n", + "Size: %8lu kB\n" + "Rss: %8lu kB\n" + "Shared_Clean: %8lu kB\n" + "Shared_Dirty: %8lu kB\n" + "Private_Clean: %8lu kB\n" + "Private_Dirty: %8lu kB\n" + "Pgs_Referenced: %8lu kB\n", (vma->vm_end - vma->vm_start) >> 10, mss->resident >> 10, mss->shared_clean >> 10, mss->shared_dirty >> 10, mss->private_clean >> 10, - mss->private_dirty >> 10); + mss->private_dirty >> 10, + mss->referenced >> 10); if (m->count < m->size) /* vma is copied successfully */ m->version = (vma != get_gate_vma(task))? vma->vm_start: 0; @@ -232,6 +235,9 @@ static void smaps_one_pmd(struct vm_area_struct *vma, pmd_t *pmd, if (!page) continue; + /* Accumulate the size in pages that have been accessed. */ + if (pte_young(ptent) || PageReferenced(page)) + mss->referenced += PAGE_SIZE; if (page_mapcount(page) >= 2) { if (pte_dirty(ptent)) mss->shared_dirty += PAGE_SIZE; |