[PATCH] /proc/zoneinfo: fix vm stats display

This early break prevents us from displaying info for the vm stats thresholds
if the zone doesn't have any pages in its per-cpu pagesets.

So my 800MB i386 box says:

Node 0, zone      DMA
  pages free     2365
        min      16
        low      20
        high     24
        active   0
        inactive 0
        scanned  0 (a: 0 i: 0)
        spanned  4096
        present  4044
    nr_anon_pages 0
    nr_mapped    1
    nr_file_pages 0
    nr_slab_reclaimable 0
    nr_slab_unreclaimable 0
    nr_page_table_pages 0
    nr_dirty     0
    nr_writeback 0
    nr_unstable  0
    nr_bounce    0
    nr_vmscan_write 0
        protection: (0, 868, 868)
  pagesets
  all_unreclaimable: 0
  prev_priority:     12
  start_pfn:         0
Node 0, zone   Normal
  pages free     199713
        min      934
        low      1167
        high     1401
        active   10215
        inactive 4507
        scanned  0 (a: 0 i: 0)
        spanned  225280
        present  222420
    nr_anon_pages 2685
    nr_mapped    1110
    nr_file_pages 12055
    nr_slab_reclaimable 2216
    nr_slab_unreclaimable 1527
    nr_page_table_pages 213
    nr_dirty     0
    nr_writeback 0
    nr_unstable  0
    nr_bounce    0
    nr_vmscan_write 0
        protection: (0, 0, 0)
  pagesets
    cpu: 0 pcp: 0
              count: 152
              high:  186
              batch: 31
    cpu: 0 pcp: 1
              count: 13
              high:  62
              batch: 15
  vm stats threshold: 16
    cpu: 1 pcp: 0
              count: 34
              high:  186
              batch: 31
    cpu: 1 pcp: 1
              count: 10
              high:  62
              batch: 15
  vm stats threshold: 16
  all_unreclaimable: 0
  prev_priority:     12
  start_pfn:         4096

Just nuke all that search-for-the-first-non-empty-pageset code.  Dunno why it
was there in the first place..

Cc: Christoph Lameter <clameter@engr.sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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