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| author | Takashi Iwai <tiwai@suse.de> | 2016-03-08 09:49:43 (GMT) |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2016-03-08 09:49:43 (GMT) |
| commit | 56d94d70398f0fbb1863a03a145db1a86f009a71 (patch) | |
| tree | 9e52dc537f8f8359c70b66f5000192bb280b41b9 /mm/mremap.c | |
| parent | bb63f726f98bec032c7322a9c36eb4167307d856 (diff) | |
| parent | fc4f000bf8c0cbf38f44de6bd5e225574e572ed4 (diff) | |
| download | linux-56d94d70398f0fbb1863a03a145db1a86f009a71.tar.xz | |
Merge branch 'topic/hda' into for-next
Diffstat (limited to 'mm/mremap.c')
| -rw-r--r-- | mm/mremap.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/mremap.c b/mm/mremap.c index d77946a..8eeba02 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -210,6 +210,8 @@ unsigned long move_page_tables(struct vm_area_struct *vma, } } split_huge_pmd(vma, old_pmd, old_addr); + if (pmd_none(*old_pmd)) + continue; VM_BUG_ON(pmd_trans_huge(*old_pmd)); } if (pmd_none(*new_pmd) && __pte_alloc(new_vma->vm_mm, new_vma, |