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Date: Wed, 26 Feb 2014 23:39:37 -0500 From: Naoya Horiguchi <n-horiguchi@...jp.nec.com> To: Sasha Levin <sasha.levin@...cle.com> Cc: Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org, linux-kernel@...r.kernel.org Subject: [PATCH 3/3] mm: call vma_adjust_trans_huge() only for thp-enabled vma 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@...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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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