diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2016-01-16 01:52:39 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-16 02:56:32 +0100 |
| commit | b1caa957ae6da3142a73ba8c5c9b2ca821021f0f (patch) | |
| tree | dce0064717ceef30c5d6c3c555ccbdf4339bd5a8 /include/trace | |
| parent | thp, mlock: do not allow huge pages in mlocked area (diff) | |
| download | linux-b1caa957ae6da3142a73ba8c5c9b2ca821021f0f.tar.xz linux-b1caa957ae6da3142a73ba8c5c9b2ca821021f0f.zip | |
khugepaged: ignore pmd tables with THP mapped with ptes
Prepare khugepaged to see compound pages mapped with pte. For now we
won't collapse the pmd table with such pte.
khugepaged is subject for future rework wrt new refcounting.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Tested-by: Sasha Levin <sasha.levin@oracle.com>
Tested-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Acked-by: Jerome Marchand <jmarchan@redhat.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Rik van Riel <riel@redhat.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Steve Capper <steve.capper@linaro.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/huge_memory.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/trace/events/huge_memory.h b/include/trace/events/huge_memory.h index 97d635cabac8..0f803d2783e3 100644 --- a/include/trace/events/huge_memory.h +++ b/include/trace/events/huge_memory.h @@ -22,6 +22,7 @@ EM( SCAN_PAGE_LRU, "page_not_in_lru") \ EM( SCAN_PAGE_LOCK, "page_locked") \ EM( SCAN_PAGE_ANON, "page_not_anon") \ + EM( SCAN_PAGE_COMPOUND, "page_compound") \ EM( SCAN_ANY_PROCESS, "no_process_for_page") \ EM( SCAN_VMA_NULL, "vma_null") \ EM( SCAN_VMA_CHECK, "vma_check_failed") \ |