summaryrefslogtreecommitdiffstats
path: root/include/trace
diff options
context:
space:
mode:
authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2016-01-15 16:52:39 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-15 17:56:32 -0800
commitb1caa957ae6da3142a73ba8c5c9b2ca821021f0f (patch)
treedce0064717ceef30c5d6c3c555ccbdf4339bd5a8 /include/trace
parent7479df6da9506a624ae214588269ed42221494f9 (diff)
downloadlinux-b1caa957ae6da3142a73ba8c5c9b2ca821021f0f.tar.bz2
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.h1
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") \