tracing: Convert event tracing code to use NR_syscalls

[net-next-2.6.git] / arch / x86 / kernel / ftrace.c

diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 3cff1214e176a720e79bfd900345e8f8c591108e..9dbb527e1652e894bdd2119bf8b51a6979c78557 100644 (file)
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -494,7 +494,7 @@ static struct syscall_metadata *find_syscall_meta(unsigned long *syscall)
 
 struct syscall_metadata *syscall_nr_to_meta(int nr)
 {
-       if (!syscalls_metadata || nr >= FTRACE_SYSCALL_MAX || nr < 0)
+       if (!syscalls_metadata || nr >= NR_syscalls || nr < 0)
                return NULL;
 
        return syscalls_metadata[nr];
@@ -507,7 +507,7 @@ int syscall_name_to_nr(char *name)
        if (!syscalls_metadata)
                return -1;
 
-       for (i = 0; i < FTRACE_SYSCALL_MAX; i++) {
+       for (i = 0; i < NR_syscalls; i++) {
                if (syscalls_metadata[i]) {
                        if (!strcmp(syscalls_metadata[i]->name, name))
                                return i;
@@ -533,13 +533,13 @@ static int __init arch_init_ftrace_syscalls(void)
        unsigned long **psys_syscall_table = &sys_call_table;
 
        syscalls_metadata = kzalloc(sizeof(*syscalls_metadata) *
-                                       FTRACE_SYSCALL_MAX, GFP_KERNEL);
+                                       NR_syscalls, GFP_KERNEL);
        if (!syscalls_metadata) {
                WARN_ON(1);
                return -ENOMEM;
        }
 
-       for (i = 0; i < FTRACE_SYSCALL_MAX; i++) {
+       for (i = 0; i < NR_syscalls; i++) {
                meta = find_syscall_meta(psys_syscall_table[i]);
                syscalls_metadata[i] = meta;
        }