Messages in this thread Patch in this message | | | From | Naoya Horiguchi <> | Subject | [PATCH 3/3] mm: call vma_adjust_trans_huge() only for thp-enabled vma | Date | Wed, 26 Feb 2014 23:39:37 -0500 |
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vma_adjust() is called also for vma(VM_HUGETLB) and it could happen that we happen to try to split hugetlbfs hugepage. So exclude the possibility.
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> --- mm/mmap.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git next-20140220.orig/mm/mmap.c next-20140220/mm/mmap.c index f53397806d7f..45a9c0d51e3f 100644 --- next-20140220.orig/mm/mmap.c +++ next-20140220/mm/mmap.c @@ -772,7 +772,8 @@ again: remove_next = 1 + (end > next->vm_end); } } - vma_adjust_trans_huge(vma, start, end, adjust_next); + if (transparent_hugepage_enabled(vma)) + vma_adjust_trans_huge(vma, start, end, adjust_next); anon_vma = vma->anon_vma; if (!anon_vma && adjust_next) -- 1.8.5.3
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