diff options
| author | James Morris <jmorris@namei.org> | 2009-05-22 18:40:59 +1000 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2009-05-22 18:40:59 +1000 |
| commit | 2c9e703c618106f5383226fbb1f526cb11034f8a (patch) | |
| tree | 87d7548001ea82f655fede0640466fc16aabcdf7 /mm/vmstat.c | |
| parent | 6470c077cae12227318f40f3e6d756caadcce4b0 (diff) | |
| parent | 5805977e63a36ad56594a623f3bd2bebcb7db233 (diff) | |
Merge branch 'master' into next
Conflicts:
fs/exec.c
Removed IMA changes (the IMA checks are now performed via may_open()).
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'mm/vmstat.c')
| -rw-r--r-- | mm/vmstat.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c index 66f6130976c..74d66dba0cb 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -509,22 +509,11 @@ static void pagetypeinfo_showblockcount_print(struct seq_file *m, continue; page = pfn_to_page(pfn); -#ifdef CONFIG_ARCH_FLATMEM_HAS_HOLES - /* - * Ordinarily, memory holes in flatmem still have a valid - * memmap for the PFN range. However, an architecture for - * embedded systems (e.g. ARM) can free up the memmap backing - * holes to save memory on the assumption the memmap is - * never used. The page_zone linkages are then broken even - * though pfn_valid() returns true. Skip the page if the - * linkages are broken. Even if this test passed, the impact - * is that the counters for the movable type are off but - * fragmentation monitoring is likely meaningless on small - * systems. - */ - if (page_zone(page) != zone) + + /* Watch for unexpected holes punched in the memmap */ + if (!memmap_valid_within(pfn, page, zone)) continue; -#endif + mtype = get_pageblock_migratetype(page); if (mtype < MIGRATE_TYPES) |