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authorIngo Molnar <mingo@elte.hu>2009-02-13 09:34:07 +0100
committerIngo Molnar <mingo@elte.hu>2009-02-13 09:34:07 +0100
commite9c4ffb11f0b19005b5b9dc8481687a3637e5887 (patch)
tree7007f2ff846b9b057c5cd7c25e8b82e49f9b4b63 /mm/mprotect.c
parent4bcf349a0f90d1e69eb35c6df0fa285c886c1cd6 (diff)
parent071a0bc2ceace31266836801510879407a3701fa (diff)
Merge branch 'linus' into perfcounters/core
Conflicts: arch/x86/kernel/acpi/boot.c
Diffstat (limited to 'mm/mprotect.c')
-rw-r--r--mm/mprotect.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c
index abe2694e13f4..258197b76fb4 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))