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| author | H. Peter Anvin <hpa@linux.intel.com> | 2009-02-23 14:05:56 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2009-02-23 14:05:56 -0800 |
| commit | dc731ca60954310be0993e8992d450c7089fd13d (patch) | |
| tree | 6a997916f963d9e6dfa76fc5564296f57c3f909e /mm/mprotect.c | |
| parent | ec5b3d32437571b8a742069a4cfd04edb6b6eda5 (diff) | |
| parent | 20f4d6c3a2a23c5d7d9cc7f42fbb943ca7a03d1f (diff) | |
| download | kernel-crypto-dc731ca60954310be0993e8992d450c7089fd13d.tar.gz kernel-crypto-dc731ca60954310be0993e8992d450c7089fd13d.tar.xz kernel-crypto-dc731ca60954310be0993e8992d450c7089fd13d.zip | |
Merge branch 'x86/urgent' into x86/mce2
Diffstat (limited to 'mm/mprotect.c')
| -rw-r--r-- | mm/mprotect.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c index abe2694e13f..258197b76fb 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -151,10 +151,11 @@ mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev, /* * If we make a private mapping writable we increase our commit; * but (without finer accounting) cannot reduce our commit if we - * make it unwritable again. + * make it unwritable again. hugetlb mapping were accounted for + * even if read-only so there is no need to account for them here */ if (newflags & VM_WRITE) { - if (!(oldflags & (VM_ACCOUNT|VM_WRITE| + if (!(oldflags & (VM_ACCOUNT|VM_WRITE|VM_HUGETLB| VM_SHARED|VM_NORESERVE))) { charged = nrpages; if (security_vm_enough_memory(charged)) |