Signed-off-by: Christoph Lameter <[email protected]>
---
include/net/neighbour.h | 6 +-----
net/core/neighbour.c | 11 ++++++-----
2 files changed, 7 insertions(+), 10 deletions(-)
Index: linux-2.6/include/net/neighbour.h
===================================================================
--- linux-2.6.orig/include/net/neighbour.h 2007-11-18 14:38:23.910033621 -0800
+++ linux-2.6/include/net/neighbour.h 2007-11-18 22:04:47.465297422 -0800
@@ -81,11 +81,7 @@ struct neigh_statistics
};
#define NEIGH_CACHE_STAT_INC(tbl, field) \
- do { \
- preempt_disable(); \
- (per_cpu_ptr((tbl)->stats, smp_processor_id())->field)++; \
- preempt_enable(); \
- } while (0)
+ _CPU_INC(tbl->stats->field)
struct neighbour
{
Index: linux-2.6/net/core/neighbour.c
===================================================================
--- linux-2.6.orig/net/core/neighbour.c 2007-11-18 14:38:23.918033788 -0800
+++ linux-2.6/net/core/neighbour.c 2007-11-18 21:55:23.064297499 -0800
@@ -1348,7 +1348,8 @@ void neigh_table_init_no_netlink(struct
kmem_cache_create(tbl->id, tbl->entry_size, 0,
SLAB_HWCACHE_ALIGN|SLAB_PANIC,
NULL);
- tbl->stats = alloc_percpu(struct neigh_statistics);
+ tbl->stats = CPU_ALLOC(struct neigh_statistics,
+ GFP_KERNEL | __GFP_ZERO);
if (!tbl->stats)
panic("cannot create neighbour cache statistics");
@@ -1437,7 +1438,7 @@ int neigh_table_clear(struct neigh_table
remove_proc_entry(tbl->id, init_net.proc_net_stat);
- free_percpu(tbl->stats);
+ CPU_FREE(tbl->stats);
tbl->stats = NULL;
kmem_cache_destroy(tbl->kmem_cachep);
@@ -1694,7 +1695,7 @@ static int neightbl_fill_info(struct sk_
for_each_possible_cpu(cpu) {
struct neigh_statistics *st;
- st = per_cpu_ptr(tbl->stats, cpu);
+ st = CPU_PTR(tbl->stats, cpu);
ndst.ndts_allocs += st->allocs;
ndst.ndts_destroys += st->destroys;
ndst.ndts_hash_grows += st->hash_grows;
@@ -2343,7 +2344,7 @@ static void *neigh_stat_seq_start(struct
if (!cpu_possible(cpu))
continue;
*pos = cpu+1;
- return per_cpu_ptr(tbl->stats, cpu);
+ return CPU_PTR(tbl->stats, cpu);
}
return NULL;
}
@@ -2358,7 +2359,7 @@ static void *neigh_stat_seq_next(struct
if (!cpu_possible(cpu))
continue;
*pos = cpu+1;
- return per_cpu_ptr(tbl->stats, cpu);
+ return CPU_PTR(tbl->stats, cpu);
}
return NULL;
}
--
-
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