diff options
Diffstat (limited to 'sys/sys/pcpu.h')
| -rw-r--r-- | sys/sys/pcpu.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sys/sys/pcpu.h b/sys/sys/pcpu.h index 1ee7717e2fd7..472a658bfd40 100644 --- a/sys/sys/pcpu.h +++ b/sys/sys/pcpu.h @@ -106,6 +106,17 @@ extern uintptr_t dpcpu_off[]; #define DPCPU_ID_GET(i, n) (*DPCPU_ID_PTR(i, n)) #define DPCPU_ID_SET(i, n, v) (*DPCPU_ID_PTR(i, n) = v) +/* + * Utility macros. + */ +#define DPCPU_SUM(n, var, sum) \ +do { \ + (sum) = 0; \ + u_int i; \ + CPU_FOREACH(i) \ + (sum) += (DPCPU_ID_PTR(i, n))->var; \ +} while (0) + /* * XXXUPS remove as soon as we have per cpu variable * linker sets and can define rm_queue in _rm_lock.h |