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authorDavid S. Miller <davem@davemloft.net>2010-04-11 02:44:30 -0700
committerDavid S. Miller <davem@davemloft.net>2010-04-11 02:44:30 -0700
commit4a1032faac94ebbf647460ae3e06fc21146eb280 (patch)
tree7f31b97beb0406faa1523e619289ad0ab07c9787 /include/linux/module.h
parentae4e8d63b5619d4d95f1d2bfa2b836caa6e62d06 (diff)
parent0eddb519b9127c73d53db4bf3ec1d45b13f844d1 (diff)
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Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'include/linux/module.h')
-rw-r--r--include/linux/module.h25
1 files changed, 17 insertions, 8 deletions
diff --git a/include/linux/module.h b/include/linux/module.h
index 5e869ffd34a..515d53ae6a7 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -330,8 +330,11 @@ struct module
struct module_notes_attrs *notes_attrs;
#endif
+#ifdef CONFIG_SMP
/* Per-cpu data. */
- void *percpu;
+ void __percpu *percpu;
+ unsigned int percpu_size;
+#endif
/* The command line arguments (may be mangled). People like
keeping pointers to this stuff */
@@ -365,7 +368,8 @@ struct module
void (*exit)(void);
struct module_ref {
- int count;
+ unsigned int incs;
+ unsigned int decs;
} __percpu *refptr;
#endif
@@ -392,6 +396,7 @@ static inline int module_is_live(struct module *mod)
struct module *__module_text_address(unsigned long addr);
struct module *__module_address(unsigned long addr);
bool is_module_address(unsigned long addr);
+bool is_module_percpu_address(unsigned long addr);
bool is_module_text_address(unsigned long addr);
static inline int within_module_core(unsigned long addr, struct module *mod)
@@ -459,9 +464,9 @@ static inline void __module_get(struct module *module)
{
if (module) {
preempt_disable();
- __this_cpu_inc(module->refptr->count);
+ __this_cpu_inc(module->refptr->incs);
trace_module_get(module, _THIS_IP_,
- __this_cpu_read(module->refptr->count));
+ __this_cpu_read(module->refptr->incs));
preempt_enable();
}
}
@@ -474,11 +479,10 @@ static inline int try_module_get(struct module *module)
preempt_disable();
if (likely(module_is_live(module))) {
- __this_cpu_inc(module->refptr->count);
+ __this_cpu_inc(module->refptr->incs);
trace_module_get(module, _THIS_IP_,
- __this_cpu_read(module->refptr->count));
- }
- else
+ __this_cpu_read(module->refptr->incs));
+ } else
ret = 0;
preempt_enable();
@@ -563,6 +567,11 @@ static inline bool is_module_address(unsigned long addr)
return false;
}
+static inline bool is_module_percpu_address(unsigned long addr)
+{
+ return false;
+}
+
static inline bool is_module_text_address(unsigned long addr)
{
return false;