Do not account for the address space used by hugetlbfs using VM_ACCOUNT
[linux-2.6.git] / ipc / shm.c
index f8f69fa..05d51d2 100644 (file)
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -340,6 +340,7 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params)
        struct file * file;
        char name[13];
        int id;
+       int acctflag = 0;
 
        if (size < SHMMIN || size > ns->shm_ctlmax)
                return -EINVAL;
@@ -364,11 +365,12 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params)
 
        sprintf (name, "SYSV%08x", key);
        if (shmflg & SHM_HUGETLB) {
-               /* hugetlb_file_setup takes care of mlock user accounting */
-               file = hugetlb_file_setup(name, size);
+               /* hugetlb_file_setup applies strict accounting */
+               if (shmflg & SHM_NORESERVE)
+                       acctflag = VM_NORESERVE;
+               file = hugetlb_file_setup(name, size, acctflag);
                shp->mlock_user = current_user();
        } else {
-               int acctflag = 0;
                /*
                 * Do not allow no accounting for OVERCOMMIT_NEVER, even
                 * if it's asked for.