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authorIngo Molnar <mingo@elte.hu>2008-07-26 17:48:49 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-26 17:48:49 +0200
commitc3cc99ff5d24e2eeaf7ec2032e720681916990e3 (patch)
treec3e74171bbbd2adde9d60b9db1c440415c8d2831 /mm/mprotect.c
parent38ffbe66d59051fd9cfcfc8545f164700e2fa3bc (diff)
parent024e8ac04453b3525448c31ef39848cf675ba6db (diff)
Merge branch 'linus' into x86/xen
Diffstat (limited to 'mm/mprotect.c')
-rw-r--r--mm/mprotect.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c
index 360d9cc8b38c..abd645a3b0a0 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -153,12 +153,10 @@ 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.
- *
- * FIXME? We haven't defined a VM_NORESERVE flag, so mprotecting
- * a MAP_NORESERVE private mapping to writable will now reserve.
*/
if (newflags & VM_WRITE) {
- if (!(oldflags & (VM_ACCOUNT|VM_WRITE|VM_SHARED))) {
+ if (!(oldflags & (VM_ACCOUNT|VM_WRITE|
+ VM_SHARED|VM_NORESERVE))) {
charged = nrpages;
if (security_vm_enough_memory(charged))
return -ENOMEM;