X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2Fcpumask.c;h=3389e2440da0f30a76d49ab63f3419bce857849b;hb=ba1eb95cf3cc666769afe42eaa15a3a34ae82f94;hp=a24edf137f41b2c83534251596dde68fa502d4a4;hpb=2ca1a615835d9f4990f42102ab1f2ef434e7e89c;p=linux-2.6-omap-h63xx.git

diff --git a/lib/cpumask.c b/lib/cpumask.c
index a24edf137f4..3389e2440da 100644
--- a/lib/cpumask.c
+++ b/lib/cpumask.c
@@ -107,6 +107,14 @@ bool alloc_cpumask_var_node(cpumask_var_t *mask, gfp_t flags, int node)
 		dump_stack();
 	}
 #endif
+	/* FIXME: Bandaid to save us from old primitives which go to NR_CPUS. */
+	if (*mask) {
+		unsigned int tail;
+		tail = BITS_TO_LONGS(NR_CPUS - nr_cpumask_bits) * sizeof(long);
+		memset(cpumask_bits(*mask) + cpumask_size() - tail,
+		       0, tail);
+	}
+
 	return *mask != NULL;
 }
 EXPORT_SYMBOL(alloc_cpumask_var_node);
@@ -132,7 +140,7 @@ EXPORT_SYMBOL(alloc_cpumask_var);
  * @mask: pointer to cpumask_var_t where the cpumask is returned
  *
  * Only defined when CONFIG_CPUMASK_OFFSTACK=y, otherwise is
- * a nop returning a constant 1 (in <linux/cpumask.h>)
+ * a nop (in <linux/cpumask.h>).
  * Either returns an allocated (zero-filled) cpumask, or causes the
  * system to panic.
  */