Don't initialise static variables to zero/NULL.
--- diff/drivers/md/kcopyd.c	2003-10-16 10:44:23.000000000 +0100
+++ source/drivers/md/kcopyd.c	2003-10-16 10:44:31.000000000 +0100
@@ -183,8 +183,8 @@
 /* FIXME: this should scale with the number of pages */
 #define MIN_JOBS 512
 
-static kmem_cache_t *_job_cache = NULL;
-static mempool_t *_job_pool = NULL;
+static kmem_cache_t *_job_cache;
+static mempool_t *_job_pool;
 
 /*
  * We maintain three lists of jobs: