From: "Kirill A. Shutemov" <[email protected]>
We check if the pmd entry is the same as on pmd_trans_huge() in handle_mm_fault(). That's enough. Signed-off-by: Kirill A. Shutemov <[email protected]> --- mm/huge_memory.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 3c14a96..9bb2c23 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -758,12 +758,6 @@ void do_huge_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma, if (unlikely(!pmd_same(*pmd, entry))) goto unlock; - if (unlikely(pmd_trans_splitting(entry))) { - spin_unlock(&mm->page_table_lock); - wait_split_huge_page(vma->anon_vma, pmd); - return; - } - page = pmd_page(entry); if (page) { VM_BUG_ON(!PageCompound(page) || !PageHead(page)); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
