diff options
| author | Eric Dumazet <edumazet@google.com> | 2020-10-07 18:51:11 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-10-09 17:08:08 +0200 |
| commit | 846e463a70e910f2a831aea19f9a361422a2ff5b (patch) | |
| tree | a1528ed9cdf0daa422883a5b8db6305e116617d3 /include/net/pkt_sched.h | |
| parent | selftests: mptcp: interpret \n as a new line (diff) | |
| download | linux-846e463a70e910f2a831aea19f9a361422a2ff5b.tar.xz linux-846e463a70e910f2a831aea19f9a361422a2ff5b.zip | |
net/sched: get rid of qdisc->padded
kmalloc() of sufficiently big portion of memory is cache-aligned
in regular conditions. If some debugging options are used,
there is no reason qdisc structures would need 64-byte alignment
if most other kernel structures are not aligned.
This get rid of QDISC_ALIGN and QDISC_ALIGNTO.
Addition of privdata field will help implementing
the reverse of qdisc_priv() and documents where
the private data is.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Allen Pais <allen.lkml@gmail.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/net/pkt_sched.h')
| -rw-r--r-- | include/net/pkt_sched.h | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h index ac8c890a2657..4ed32e6b0201 100644 --- a/include/net/pkt_sched.h +++ b/include/net/pkt_sched.h @@ -19,12 +19,9 @@ struct qdisc_walker { int (*fn)(struct Qdisc *, unsigned long cl, struct qdisc_walker *); }; -#define QDISC_ALIGNTO 64 -#define QDISC_ALIGN(len) (((len) + QDISC_ALIGNTO-1) & ~(QDISC_ALIGNTO-1)) - static inline void *qdisc_priv(struct Qdisc *q) { - return (char *) q + QDISC_ALIGN(sizeof(struct Qdisc)); + return &q->privdata; } /* |