Merge 3.14-rc5 into driver-core-next

We want the fixes in here.

1 files changed, 8 insertions, 10 deletions

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 82166bf974e1..4df39b1bde91 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1166,8 +1166,10 @@ alloc:
                 } else {
                         ret = do_huge_pmd_wp_page_fallback(mm, vma, address,
                                         pmd, orig_pmd, page, haddr);
-                        if (ret & VM_FAULT_OOM)
+                        if (ret & VM_FAULT_OOM) {
                                 split_huge_page(page);
+                                ret |= VM_FAULT_FALLBACK;
+                        }
                         put_page(page);
                 }
                 count_vm_event(THP_FAULT_FALLBACK);
@@ -1179,9 +1181,10 @@ alloc:
                 if (page) {
                         split_huge_page(page);
                         put_page(page);
-                }
+                } else
+                        split_huge_page_pmd(vma, address, pmd);
+                ret |= VM_FAULT_FALLBACK;
                 count_vm_event(THP_FAULT_FALLBACK);
-                ret |= VM_FAULT_OOM;
                 goto out;
         }
 
@@ -1545,6 +1548,7 @@ int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
                                 entry = pmd_mknonnuma(entry);
                         entry = pmd_modify(entry, newprot);
                         ret = HPAGE_PMD_NR;
+                        set_pmd_at(mm, addr, pmd, entry);
                         BUG_ON(pmd_write(entry));
                 } else {
                         struct page *page = pmd_page(*pmd);
@@ -1557,16 +1561,10 @@ int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
                          */
                         if (!is_huge_zero_page(page) &&
                             !pmd_numa(*pmd)) {
-                                entry = *pmd;
-                                entry = pmd_mknuma(entry);
+                                pmdp_set_numa(mm, addr, pmd);
                                 ret = HPAGE_PMD_NR;
                         }
                 }
-
-                /* Set PMD if cleared earlier */
-                if (ret == HPAGE_PMD_NR)
-                        set_pmd_at(mm, addr, pmd, entry);
-
                 spin_unlock(ptl);
         }