diff options
| -rw-r--r-- | mm/vmalloc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 87d71c783646..3b57260b6d39 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -3587,6 +3587,11 @@ long vread(char *buf, char *addr, unsigned long count) if (!vm && !flags) continue; + if (vm && (vm->flags & VM_UNINITIALIZED)) + continue; + /* Pair with smp_wmb() in clear_vm_uninitialized_flag() */ + smp_rmb(); + vaddr = (char *) va->va_start; size = vm ? get_vm_area_size(vm) : va_size(va); |