powerpc/85xx: mpc8548cds - Add RapidIO node to dts

[karo-tx-linux.git] / mm / hugetlb.c

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index ea8c3a4cd2ae8acdf52a7a4e862e277f2390c265..5f34bd8dda34bbc8224303ad080103f224fa5ad6 100644 (file)
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2508,6 +2508,7 @@ static int hugetlb_no_page(struct mm_struct *mm, struct vm_area_struct *vma,
 {
        struct hstate *h = hstate_vma(vma);
        int ret = VM_FAULT_SIGBUS;
+       int anon_rmap = 0;
        pgoff_t idx;
        unsigned long size;
        struct page *page;
@@ -2562,14 +2563,13 @@ retry:
                        spin_lock(&inode->i_lock);
                        inode->i_blocks += blocks_per_huge_page(h);
                        spin_unlock(&inode->i_lock);
-                       page_dup_rmap(page);
                } else {
                        lock_page(page);
                        if (unlikely(anon_vma_prepare(vma))) {
                                ret = VM_FAULT_OOM;
                                goto backout_unlocked;
                        }
-                       hugepage_add_new_anon_rmap(page, vma, address);
+                       anon_rmap = 1;
                }
        } else {
                /*
@@ -2582,7 +2582,6 @@ retry:
                              VM_FAULT_SET_HINDEX(h - hstates);
                        goto backout_unlocked;
                }
-               page_dup_rmap(page);
        }
 
        /*
@@ -2606,6 +2605,10 @@ retry:
        if (!huge_pte_none(huge_ptep_get(ptep)))
                goto backout;
 
+       if (anon_rmap)
+               hugepage_add_new_anon_rmap(page, vma, address);
+       else
+               page_dup_rmap(page);
        new_pte = make_huge_pte(vma, page, ((vma->vm_flags & VM_WRITE)
                                && (vma->vm_flags & VM_SHARED)));
        set_huge_pte_at(mm, address, ptep, new_pte);