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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-14 14:38:30 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-14 14:38:30 -0800 |
| commit | 172ad9af55d236cb124d67de7314a90dedb50df1 (patch) | |
| tree | ab225ebb0bcab867305fec87308bda97ca060102 /mm/mprotect.c | |
| parent | a44007a42dfd8e487537c7b1f8045577b28a4d95 (diff) | |
| parent | 18558cae0272f8fd9647e69d3fec1565a7949865 (diff) | |
Merge 4.5-rc4 into usb-next
We want the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/mprotect.c')
| -rw-r--r-- | mm/mprotect.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c index 8eb7bb40dc40..f7cb3d4d9c2e 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -160,9 +160,11 @@ static inline unsigned long change_pmd_range(struct vm_area_struct *vma, } if (pmd_trans_huge(*pmd) || pmd_devmap(*pmd)) { - if (next - addr != HPAGE_PMD_SIZE) + if (next - addr != HPAGE_PMD_SIZE) { split_huge_pmd(vma, pmd, addr); - else { + if (pmd_none(*pmd)) + continue; + } else { int nr_ptes = change_huge_pmd(vma, pmd, addr, newprot, prot_numa); |