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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-02-01 10:08:15 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-02-01 10:08:15 +0000 |
| commit | 177f72fd101d512d938558b53cd4faa6a5434090 (patch) | |
| tree | 1cfe58343c705f02c53886d7aa781b97b671b704 /mm/hugetlb.c | |
| parent | 761bfdd91184c6662a9233976e855b4ccb883c96 (diff) | |
| parent | 62aa2b537c6f5957afd98e29f96897419ed5ebab (diff) | |
| download | linux-177f72fd101d512d938558b53cd4faa6a5434090.tar.bz2 | |
Merge tag 'v3.3-rc2' into for-3.4
A reasonable amount of new development is causing fiddly merge conflicts
between different resource management changes (mostly fixing bugs in
resource management due to noticing things while doing enhancements in
the same area).
Linux 3.3-rc2
.. several days delayed. No reason, I just didn't think of it.
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index ea8c3a4cd2ae..5f34bd8dda34 100644 --- 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); |