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authorTrond Myklebust <Trond.Myklebust@netapp.com>2010-03-05 15:46:18 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2010-03-05 15:46:18 -0500
commit3fa04ecd72780da31ba8b329e148179bc24a9c7d (patch)
treef5d462fd4aee086952d18f159f737c450ab46b3b /include/net/snmp.h
parent180b62a3d837613fcac3ce89576526423926c3c3 (diff)
parent1cda707d52e51a6cafac0aef12d2bd7052d572e6 (diff)
Merge branch 'writeback-for-2.6.34' into nfs-for-2.6.34
Diffstat (limited to 'include/net/snmp.h')
-rw-r--r--include/net/snmp.h14
1 files changed, 9 insertions, 5 deletions
diff --git a/include/net/snmp.h b/include/net/snmp.h
index f0d756f2ac9..692ee0061dc 100644
--- a/include/net/snmp.h
+++ b/include/net/snmp.h
@@ -32,7 +32,7 @@
* - name of entries.
*/
struct snmp_mib {
- char *name;
+ const char *name;
int entry;
};
@@ -129,9 +129,9 @@ struct linux_xfrm_mib {
* nonlocked_atomic_inc() primitives -AK
*/
#define DEFINE_SNMP_STAT(type, name) \
- __typeof__(type) *name[2]
+ __typeof__(type) __percpu *name[2]
#define DECLARE_SNMP_STAT(type, name) \
- extern __typeof__(type) *name[2]
+ extern __typeof__(type) __percpu *name[2]
#define SNMP_STAT_BHPTR(name) (name[0])
#define SNMP_STAT_USRPTR(name) (name[1])
@@ -148,9 +148,13 @@ struct linux_xfrm_mib {
__this_cpu_add(mib[0]->mibs[field], addend)
#define SNMP_ADD_STATS_USER(mib, field, addend) \
this_cpu_add(mib[1]->mibs[field], addend)
+/*
+ * Use "__typeof__(*mib[0]) *ptr" instead of "__typeof__(mib[0]) ptr"
+ * to make @ptr a non-percpu pointer.
+ */
#define SNMP_UPD_PO_STATS(mib, basefield, addend) \
do { \
- __typeof__(mib[0]) ptr; \
+ __typeof__(*mib[0]) *ptr; \
preempt_disable(); \
ptr = this_cpu_ptr((mib)[!in_softirq()]); \
ptr->mibs[basefield##PKTS]++; \
@@ -159,7 +163,7 @@ struct linux_xfrm_mib {
} while (0)
#define SNMP_UPD_PO_STATS_BH(mib, basefield, addend) \
do { \
- __typeof__(mib[0]) ptr = \
+ __typeof__(*mib[0]) *ptr = \
__this_cpu_ptr((mib)[!in_softirq()]); \
ptr->mibs[basefield##PKTS]++; \
ptr->mibs[basefield##OCTETS] += addend;\