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| author | David S. Miller <davem@davemloft.net> | 2014-05-24 08:32:30 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-05-24 08:32:30 +0400 |
| commit | 54e5c4def0614ab540fbdf68e45342a4af141702 (patch) | |
| tree | 95a2f61c72336932e83d9e4180cd9739106d624b /mm/mremap.c | |
| parent | be65de7174123e02477bd488db1a657caf0f9947 (diff) | |
| parent | 1ee1ceafb572f1a925809168267a7962a4289de8 (diff) | |
| download | linux-54e5c4def0614ab540fbdf68e45342a4af141702.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/bonding/bond_alb.c
drivers/net/ethernet/altera/altera_msgdma.c
drivers/net/ethernet/altera/altera_sgdma.c
net/ipv6/xfrm6_output.c
Several cases of overlapping changes.
The xfrm6_output.c has a bug fix which overlaps the renaming
of skb->local_df to skb->ignore_df.
In the Altera TSE driver cases, the register access cleanups
in net-next overlapped with bug fixes done in net.
Similarly a bug fix to send ALB packets in the bonding driver using
the right source address overlaps with cleanups in net-next.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'mm/mremap.c')
| -rw-r--r-- | mm/mremap.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/mm/mremap.c b/mm/mremap.c index 0843feb66f3d..05f1180e9f21 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -194,10 +194,17 @@ unsigned long move_page_tables(struct vm_area_struct *vma, break; if (pmd_trans_huge(*old_pmd)) { int err = 0; - if (extent == HPAGE_PMD_SIZE) + if (extent == HPAGE_PMD_SIZE) { + VM_BUG_ON(vma->vm_file || !vma->anon_vma); + /* See comment in move_ptes() */ + if (need_rmap_locks) + anon_vma_lock_write(vma->anon_vma); err = move_huge_pmd(vma, new_vma, old_addr, new_addr, old_end, old_pmd, new_pmd); + if (need_rmap_locks) + anon_vma_unlock_write(vma->anon_vma); + } if (err > 0) { need_flush = true; continue; |