---

yaml --- r: 57462 b: refs/heads/master c: a210906 h: refs/heads/master v: v3
git-mirror · Jun 9, 2007 · fa575d2 · fa575d2
1 parent 237579e
commit fa575d2
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Showing 3 changed files with 8 additions and 6 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9739ed1c8eafd554788d8e2ba09847b5718a34e7
+refs/heads/master: a210906c1b791af1434323f69427286039c9c8b9
diff --git a/trunk/Documentation/filesystems/tmpfs.txt b/trunk/Documentation/filesystems/tmpfs.txt
@@ -94,10 +94,10 @@ largest node numbers in the range.  For example, mpol=bind:0-3,5,7,9-15
 
 Note that trying to mount a tmpfs with an mpol option will fail if the
 running kernel does not support NUMA; and will fail if its nodelist
-specifies a node >= MAX_NUMNODES.  If your system relies on that tmpfs
-being mounted, but from time to time runs a kernel built without NUMA
-capability (perhaps a safe recovery kernel), or configured to support
-fewer nodes, then it is advisable to omit the mpol option from automatic
+specifies a node which is not online.  If your system relies on that
+tmpfs being mounted, but from time to time runs a kernel built without
+NUMA capability (perhaps a safe recovery kernel), or with fewer nodes
+online, then it is advisable to omit the mpol option from automatic
 mount options.  It can be added later, when the tmpfs is already mounted
 on MountPoint, by 'mount -o remount,mpol=Policy:NodeList MountPoint'.
 
@@ -121,4 +121,4 @@ RAM/SWAP in 10240 inodes and it is only accessible by root.
 Author:
    Christoph Rohland <cr@sap.com>, 1.12.01
 Updated:
-   Hugh Dickins <hugh@veritas.com>, 19 February 2006
+   Hugh Dickins <hugh@veritas.com>, 4 June 2007
diff --git a/trunk/mm/shmem.c b/trunk/mm/shmem.c
@@ -967,6 +967,8 @@ static inline int shmem_parse_mpol(char *value, int *policy, nodemask_t *policy_
 		*nodelist++ = '\0';
 		if (nodelist_parse(nodelist, *policy_nodes))
 			goto out;
+		if (!nodes_subset(*policy_nodes, node_online_map))
+			goto out;
 	}
 	if (!strcmp(value, "default")) {
 		*policy = MPOL_DEFAULT;