diff options
Diffstat (limited to 'mm/huge_memory.c')
-rw-r--r-- | mm/huge_memory.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 95d1acb0f3d2..5d80c53b87cb 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c | |||
@@ -1502,19 +1502,15 @@ int move_huge_pmd(struct vm_area_struct *vma, struct vm_area_struct *new_vma, | |||
1502 | spin_lock_nested(new_ptl, SINGLE_DEPTH_NESTING); | 1502 | spin_lock_nested(new_ptl, SINGLE_DEPTH_NESTING); |
1503 | pmd = pmdp_get_and_clear(mm, old_addr, old_pmd); | 1503 | pmd = pmdp_get_and_clear(mm, old_addr, old_pmd); |
1504 | VM_BUG_ON(!pmd_none(*new_pmd)); | 1504 | VM_BUG_ON(!pmd_none(*new_pmd)); |
1505 | set_pmd_at(mm, new_addr, new_pmd, pmd_mksoft_dirty(pmd)); | ||
1506 | if (new_ptl != old_ptl) { | ||
1507 | pgtable_t pgtable; | ||
1508 | 1505 | ||
1509 | /* | 1506 | if (pmd_move_must_withdraw(new_ptl, old_ptl)) { |
1510 | * Move preallocated PTE page table if new_pmd is on | 1507 | pgtable_t pgtable; |
1511 | * different PMD page table. | ||
1512 | */ | ||
1513 | pgtable = pgtable_trans_huge_withdraw(mm, old_pmd); | 1508 | pgtable = pgtable_trans_huge_withdraw(mm, old_pmd); |
1514 | pgtable_trans_huge_deposit(mm, new_pmd, pgtable); | 1509 | pgtable_trans_huge_deposit(mm, new_pmd, pgtable); |
1515 | |||
1516 | spin_unlock(new_ptl); | ||
1517 | } | 1510 | } |
1511 | set_pmd_at(mm, new_addr, new_pmd, pmd_mksoft_dirty(pmd)); | ||
1512 | if (new_ptl != old_ptl) | ||
1513 | spin_unlock(new_ptl); | ||
1518 | spin_unlock(old_ptl); | 1514 | spin_unlock(old_ptl); |
1519 | } | 1515 | } |
1520 | out: | 1516 | out: |