nfsd: fix vm overcommit crash

[linux-2.6-omap-h63xx.git] / mm / nommu.c

diff --git a/mm/nommu.c b/mm/nommu.c
index 2696b24f2bb37c427168655b8f690c46c931dcf6..7695dc850785e853f066e63992c242ffee14c30c 100644 (file)
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -1454,7 +1454,8 @@ int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin)
 
        /* Don't let a single process grow too big:
           leave 3% of the size of this process for other processes */
-       allowed -= current->mm->total_vm / 32;
+       if (mm)
+               allowed -= mm->total_vm / 32;
 
        /*
         * cast `allowed' as a signed long because vm_committed_space