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authorDavid S. Miller <davem@davemloft.net>2009-02-14 23:12:00 -0800
committerDavid S. Miller <davem@davemloft.net>2009-02-14 23:12:00 -0800
commit5e30589521518bff36fd2638b3c3d69679c50436 (patch)
tree6ac985658a06b0787e4354d0d16d380ea9b16a5a /mm/mprotect.c
parentac178ef0ae9eb44fd527d87aa9b6394e05f56e1f (diff)
parentd2f8d7ee1a9b4650b4e43325b321801264f7c37a (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts: drivers/net/wireless/iwlwifi/iwl-agn.c drivers/net/wireless/iwlwifi/iwl3945-base.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 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))