diff options
| -rw-r--r-- | mm/huge_memory.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 9d12d63a0ddd..996e86dbeb43 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -938,15 +938,13 @@ static void insert_pfn_pmd(struct vm_area_struct *vma, unsigned long addr, spinlock_t *ptl; ptl = pmd_lock(mm, pmd); - if (pmd_none(*pmd)) { - entry = pmd_mkhuge(pfn_pmd(pfn, prot)); - if (write) { - entry = pmd_mkyoung(pmd_mkdirty(entry)); - entry = maybe_pmd_mkwrite(entry, vma); - } - set_pmd_at(mm, addr, pmd, entry); - update_mmu_cache_pmd(vma, addr, pmd); + entry = pmd_mkhuge(pfn_pmd(pfn, prot)); + if (write) { + entry = pmd_mkyoung(pmd_mkdirty(entry)); + entry = maybe_pmd_mkwrite(entry, vma); } + set_pmd_at(mm, addr, pmd, entry); + update_mmu_cache_pmd(vma, addr, pmd); spin_unlock(ptl); } |