mm: report the pagesize backing a VMA in /proc/pid/smaps

[sfrench/cifs-2.6.git] / fs / proc / task_mmu.c

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 3a8bdd7f5756e37d430f15b2b5b76fb672c9b965..41ef5f23e77907b6e0cdb2145e6cda229a6852cd 100644 (file)
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -396,7 +396,8 @@ static int show_smap(struct seq_file *m, void *v)
                   "Private_Clean:  %8lu kB\n"
                   "Private_Dirty:  %8lu kB\n"
                   "Referenced:     %8lu kB\n"
-                  "Swap:           %8lu kB\n",
+                  "Swap:           %8lu kB\n"
+                  "KernelPageSize: %8lu kB\n",
                   (vma->vm_end - vma->vm_start) >> 10,
                   mss.resident >> 10,
                   (unsigned long)(mss.pss >> (10 + PSS_SHIFT)),
@@ -405,7 +406,8 @@ static int show_smap(struct seq_file *m, void *v)
                   mss.private_clean >> 10,
                   mss.private_dirty >> 10,
                   mss.referenced >> 10,
-                  mss.swap >> 10);
+                  mss.swap >> 10,
+                  vma_kernel_pagesize(vma) >> 10);
 
        if (m->count < m->size)  /* vma is copied successfully */
                m->version = (vma != get_gate_vma(task)) ? vma->vm_start : 0;