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Subject[PATCH 2/10] Pidns: use kzalloc when allocating new pid_namespace struct
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 <xemul@openvz.org>
---
kernel/pid_namespace.c | 8 ++------
1 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index 98702b4..06331cc 100644
--- a/kernel/pid_namespace.c
+++ b/kernel/pid_namespace.c
@@ -71,7 +71,7 @@ static struct pid_namespace *create_pid_namespace(unsigned int level)
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_namespace(unsigned int level)
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;

--
1.5.3.4

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