diff options
| author | Stephen Boyd <sboyd@codeaurora.org> | 2013-06-24 17:45:02 -0700 |
|---|---|---|
| committer | Stephen Boyd <sboyd@codeaurora.org> | 2013-06-24 17:45:02 -0700 |
| commit | 42cba6e27c4cddc4df701c597dbfa666e1c013c8 (patch) | |
| tree | 6fe38f37a79391bce3db56f311d0f3b83711fad0 /include/net/sock.h | |
| parent | f722406faae2d073cc1d01063d1123c35425939e (diff) | |
| parent | 2699339361a9bacb3fa663e6b8981a040cfca4ee (diff) | |
Merge branch 'timers/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into remove-local-timers
Diffstat (limited to 'include/net/sock.h')
| -rw-r--r-- | include/net/sock.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 5c97b0fc5623..66772cf8c3c5 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -866,6 +866,18 @@ struct inet_hashinfo; struct raw_hashinfo; struct module; +/* + * caches using SLAB_DESTROY_BY_RCU should let .next pointer from nulls nodes + * un-modified. Special care is taken when initializing object to zero. + */ +static inline void sk_prot_clear_nulls(struct sock *sk, int size) +{ + if (offsetof(struct sock, sk_node.next) != 0) + memset(sk, 0, offsetof(struct sock, sk_node.next)); + memset(&sk->sk_node.pprev, 0, + size - offsetof(struct sock, sk_node.pprev)); +} + /* Networking protocol blocks we attach to sockets. * socket layer -> transport layer interface * transport -> network interface is defined by struct inet_proto |