diff options
| author | Steve French <sfrench@us.ibm.com> | 2009-07-16 04:21:39 +0000 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2009-07-16 04:21:39 +0000 |
| commit | f6c43385435640e056424034caac0d765c45e370 (patch) | |
| tree | 54c2ba0a7d3abb156bc51f6b9f02e00f0a260f85 /net/core/sock.c | |
| parent | 65bc98b0059360e458aebd208587be44641227c1 (diff) | |
| parent | 35b5c55fee08e6e4001ba98060a2d0b82f70b5f4 (diff) | |
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'net/core/sock.c')
| -rw-r--r-- | net/core/sock.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index 6354863b1c6..ba5d2116aea 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -939,8 +939,23 @@ static struct sock *sk_prot_alloc(struct proto *prot, gfp_t priority, struct kmem_cache *slab; slab = prot->slab; - if (slab != NULL) - sk = kmem_cache_alloc(slab, priority); + if (slab != NULL) { + sk = kmem_cache_alloc(slab, priority & ~__GFP_ZERO); + if (!sk) + return sk; + if (priority & __GFP_ZERO) { + /* + * caches using SLAB_DESTROY_BY_RCU should let + * sk_node.next un-modified. Special care is taken + * when initializing object to zero. + */ + if (offsetof(struct sock, sk_node.next) != 0) + memset(sk, 0, offsetof(struct sock, sk_node.next)); + memset(&sk->sk_node.pprev, 0, + prot->obj_size - offsetof(struct sock, + sk_node.pprev)); + } + } else sk = kmalloc(prot->obj_size, priority); |