[PATCH] correct sys_shmget allocation check

[Guy Streeter]

As written, sys_shmget will return ENOSPC when one page is still
available for allocation. This patch corrects the test.

Signed-off-by: Guy Streeter <guy.streeter+lkml@xxxxxxxxx>

--

Index: linux-2.6/ipc/shm.c
===================================================================
--- linux-2.6.orig/ipc/shm.c
+++ linux-2.6/ipc/shm.c
@@ -279,7 +279,7 @@ static int newseg (struct ipc_namespace
      if (size < SHMMIN || size > ns->shm_ctlmax)
              return -EINVAL;

-       if (ns->shm_tot + numpages >= ns->shm_ctlall)
+       if (ns->shm_tot + numpages > ns->shm_ctlall)
              return -ENOSPC;

      shp = ipc_rcu_alloc(sizeof(*shp));
-
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