HWPOISON: Refactor truncate to allow direct truncating of page v2

[~andy/linux] / kernel / perf_counter.c

diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c
index e0d91fdf0c3cfbb417c6fd94d38f2c5700942815..8cb94a52d1bb3c21154e8dd028eecc93e1588866 100644 (file)
--- a/kernel/perf_counter.c
+++ b/kernel/perf_counter.c
@@ -106,16 +106,16 @@ hw_perf_group_sched_in(struct perf_counter *group_leader,
 
 void __weak perf_counter_print_debug(void)     { }
 
-static DEFINE_PER_CPU(int, disable_count);
+static DEFINE_PER_CPU(int, perf_disable_count);
 
 void __perf_disable(void)
 {
-       __get_cpu_var(disable_count)++;
+       __get_cpu_var(perf_disable_count)++;
 }
 
 bool __perf_enable(void)
 {
-       return !--__get_cpu_var(disable_count);
+       return !--__get_cpu_var(perf_disable_count);
 }
 
 void perf_disable(void)
@@ -4215,6 +4215,7 @@ static int perf_copy_attr(struct perf_counter_attr __user *uattr,
                        if (val)
                                goto err_size;
                }
+               size = sizeof(*attr);
        }
 
        ret = copy_from_user(attr, uattr, size);