[PATCH 1/2] ia64: Use ARRAY_SIZE to replace its implementation

[zhong jiang <zhongjiang@xxxxxxxxxx>]

We prefer to ARRAY_SIZE rather than duplicating its implementation.
So just replace it.

Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
---
 arch/ia64/kernel/perfmon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index a9d4dc6..6cbe6e0 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -4645,7 +4645,7 @@ static char *pfmfs_dname(struct dentry *dentry, char *buffer, int buflen)
 /* 32 */PFM_CMD(pfm_write_ibrs, PFM_CMD_PCLRWS, PFM_CMD_ARG_MANY, pfarg_dbreg_t, NULL),
 /* 33 */PFM_CMD(pfm_write_dbrs, PFM_CMD_PCLRWS, PFM_CMD_ARG_MANY, pfarg_dbreg_t, NULL)
 };
-#define PFM_CMD_COUNT	(sizeof(pfm_cmd_tab)/sizeof(pfm_cmd_desc_t))
+#define PFM_CMD_COUNT	ARRAY_SIZE(pfm_cmd_tab)
 
 static int
 pfm_check_task_state(pfm_context_t *ctx, int cmd, unsigned long flags)
-- 
1.7.12.4