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| author | Pavel Emelyanov <xemul@openvz.org> | 2008-07-25 01:48:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-25 10:53:46 -0700 |
| commit | 84406c153a5bfa5d8b428a0933e9d39db6b59a75 (patch) | |
| tree | 5f39add26e885b810118fbf1740a61f1aac88a4d | |
| parent | 081e4c8a75692c21f3a119a81ca3270081879d0e (diff) | |
| download | kernel-common-84406c153a5bfa5d8b428a0933e9d39db6b59a75.tar.gz kernel-common-84406c153a5bfa5d8b428a0933e9d39db6b59a75.tar.bz2 kernel-common-84406c153a5bfa5d8b428a0933e9d39db6b59a75.zip | |
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>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | 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 98702b4b8851..06331cc1c3f5 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; |