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| author | Ingo Molnar <mingo@kernel.org> | 2016-02-23 07:36:46 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-02-23 07:36:46 +0100 |
| commit | fb86780bf7708cd6553f592a6318f10eda766127 (patch) | |
| tree | b59737c56a407c9f82166576209ef8e8cd09ecc6 /mm/huge_memory.c | |
| parent | 8f8e2aec9944dd12671182a1a26b8e1a35872a1d (diff) | |
| parent | dd71a17b1193dd4a4c35ecd0ba227aac3d110836 (diff) | |
| download | linux-fb86780bf7708cd6553f592a6318f10eda766127.tar.bz2 | |
Merge branch 'x86/urgent' into x86/platform, to queue up dependent patch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/huge_memory.c')
| -rw-r--r-- | mm/huge_memory.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 08fc0ba2207e..1c317b85ea7d 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1700,7 +1700,8 @@ bool move_huge_pmd(struct vm_area_struct *vma, struct vm_area_struct *new_vma, pmd = pmdp_huge_get_and_clear(mm, old_addr, old_pmd); VM_BUG_ON(!pmd_none(*new_pmd)); - if (pmd_move_must_withdraw(new_ptl, old_ptl)) { + if (pmd_move_must_withdraw(new_ptl, old_ptl) && + vma_is_anonymous(vma)) { pgtable_t pgtable; pgtable = pgtable_trans_huge_withdraw(mm, old_pmd); pgtable_trans_huge_deposit(mm, new_pmd, pgtable); @@ -2860,6 +2861,7 @@ static void __split_huge_pmd_locked(struct vm_area_struct *vma, pmd_t *pmd, young = pmd_young(*pmd); dirty = pmd_dirty(*pmd); + pmdp_huge_split_prepare(vma, haddr, pmd); pgtable = pgtable_trans_huge_withdraw(mm, pmd); pmd_populate(mm, &_pmd, pgtable); |