Merge git://git.skbuff.net/gitroot/yoshfuji/linux-2.6-git-rfc3542

[linux-2.6] / mm / nommu.c

diff --git a/mm/nommu.c b/mm/nommu.c
index ce74452c02d945e40e6cdb503499609f24e1cd64..fd4e8df0f02df979bb2a2de5a891e35f82754a7d 100644 (file)
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -1167,7 +1167,11 @@ int __vm_enough_memory(long pages, int cap_sys_admin)
           leave 3% of the size of this process for other processes */
        allowed -= current->mm->total_vm / 32;
 
-       if (atomic_read(&vm_committed_space) < allowed)
+       /*
+        * cast `allowed' as a signed long because vm_committed_space
+        * sometimes has a negative value
+        */
+       if (atomic_read(&vm_committed_space) < (long)allowed)
                return 0;
 
        vm_unacct_memory(pages);