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| author | KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> | 2006-04-10 22:52:50 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-04-11 06:18:31 -0700 |
| commit | 6f912042256c12b0927438122594f5379b364f5d (patch) | |
| tree | c11949814057b356d5896e7f025ec15132dbff78 /net/netfilter | |
| parent | dd7ba3b8b15f9c65366986d723ae83254d8d78b7 (diff) | |
| download | lwn-6f912042256c12b0927438122594f5379b364f5d.tar.gz lwn-6f912042256c12b0927438122594f5379b364f5d.zip | |
[PATCH] for_each_possible_cpu: network codes
for_each_cpu() actually iterates across all possible CPUs. We've had mistakes
in the past where people were using for_each_cpu() where they should have been
iterating across only online or present CPUs. This is inefficient and
possibly buggy.
We're renaming for_each_cpu() to for_each_possible_cpu() to avoid this in the
future.
This patch replaces for_each_cpu with for_each_possible_cpu under /net
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'net/netfilter')
| -rw-r--r-- | net/netfilter/nf_conntrack_core.c | 2 | ||||
| -rw-r--r-- | net/netfilter/x_tables.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 56389c83557c..e581190fb6c3 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -146,7 +146,7 @@ static void nf_ct_event_cache_flush(void) struct nf_conntrack_ecache *ecache; int cpu; - for_each_cpu(cpu) { + for_each_possible_cpu(cpu) { ecache = &per_cpu(nf_conntrack_ecache, cpu); if (ecache->ct) nf_ct_put(ecache->ct); diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c index feb8a9e066b0..00cf0a4f4d92 100644 --- a/net/netfilter/x_tables.c +++ b/net/netfilter/x_tables.c @@ -413,7 +413,7 @@ struct xt_table_info *xt_alloc_table_info(unsigned int size) newinfo->size = size; - for_each_cpu(cpu) { + for_each_possible_cpu(cpu) { if (size <= PAGE_SIZE) newinfo->entries[cpu] = kmalloc_node(size, GFP_KERNEL, @@ -436,7 +436,7 @@ void xt_free_table_info(struct xt_table_info *info) { int cpu; - for_each_cpu(cpu) { + for_each_possible_cpu(cpu) { if (info->size <= PAGE_SIZE) kfree(info->entries[cpu]); else |