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authorEric Dumazet <eric.dumazet@gmail.com>2011-03-03 11:10:02 -0800
committerDavid S. Miller <davem@davemloft.net>2011-03-03 11:10:02 -0800
commitd276055c4e90a7278cd5167ba9755c9b214bcff7 (patch)
treed99d4e808f880921660dfdf73af8e97e3a6fdba9 /include/net/sch_generic.h
parentc53fa1ed92cd671a1dfb1e7569e9ab672612ddc6 (diff)
downloadlinux-d276055c4e90a7278cd5167ba9755c9b214bcff7.tar.bz2
net_sched: reduce fifo qdisc size
Because of various alignements [SLUB / qdisc], we use 512 bytes of memory for one {p|b}fifo qdisc, instead of 256 bytes on 64bit arches and 192 bytes on 32bit ones. Move the "u32 limit" inside "struct Qdisc" (no impact on other qdiscs) Change qdisc_alloc(), first trying a regular allocation before an oversized one. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/sch_generic.h')
-rw-r--r--include/net/sch_generic.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 16626a04cb03..1934634f8896 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -83,6 +83,7 @@ struct Qdisc {
struct gnet_stats_queue qstats;
struct rcu_head rcu_head;
spinlock_t busylock;
+ u32 limit;
};
static inline bool qdisc_is_running(const struct Qdisc *qdisc)