From: Pavel Emelyanov It makes many fields initialization implicit helping in auto-setting #ifdef-ed fields (bsd-acct related pointer will be such). Signed-off-by: Pavel Emelyanov Cc: Balbir Singh Cc: "Eric W. Biederman" Signed-off-by: Andrew Morton --- kernel/pid_namespace.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff -puN kernel/pid_namespace.c~pidns-use-kzalloc-when-allocating-new-pid_namespace-struct kernel/pid_namespace.c --- a/kernel/pid_namespace.c~pidns-use-kzalloc-when-allocating-new-pid_namespace-struct +++ a/kernel/pid_namespace.c @@ -71,7 +71,7 @@ static struct pid_namespace *create_pid_ struct pid_namespace *ns; int i; - ns = kmem_cache_alloc(pid_ns_cachep, GFP_KERNEL); + ns = kmem_cache_zalloc(pid_ns_cachep, GFP_KERNEL); if (ns == NULL) goto out; @@ -84,17 +84,13 @@ static struct pid_namespace *create_pid_ goto out_free_map; kref_init(&ns->kref); - ns->last_pid = 0; - ns->child_reaper = NULL; ns->level = level; set_bit(0, ns->pidmap[0].page); atomic_set(&ns->pidmap[0].nr_free, BITS_PER_PAGE - 1); - for (i = 1; i < PIDMAP_ENTRIES; i++) { - ns->pidmap[i].page = NULL; + for (i = 1; i < PIDMAP_ENTRIES; i++) atomic_set(&ns->pidmap[i].nr_free, BITS_PER_PAGE); - } return ns; _