cfq: remove 8 bytes of padding from cfq_rb_root on 64 bit builds

73e9ffdd · Richard Kennedy <[email protected]> · 2010-03-01 10:50:20 +01:00

Reorder cfq_rb_root to remove 8 bytes of padding on 64 bit builds.

Consequently removing 56 bytes from cfq_group and 64 bytes from
cfq_data.

Signed-off-by: Richard Kennedy <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>

Commit: 73e9ffdd0cc8159f876d5e29ecf2d9c1bfca544f
Parents: 91f63d0e

Changes

1 files changed · +3 −2

File	Status	Add	Del	Content
block/cfq-iosched.c	modified	+3	−2	View file

block/cfq-iosched.c

View file

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 0db07d7..dee9d93 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -78,11 +78,12 @@ struct cfq_rb_root {
 	struct rb_root rb;
 	struct rb_node *left;
 	unsigned count;
+	unsigned total_weight;
 	u64 min_vdisktime;
 	struct rb_node *active;
-	unsigned total_weight;
 };
-#define CFQ_RB_ROOT	(struct cfq_rb_root) { RB_ROOT, NULL, 0, 0, }
+#define CFQ_RB_ROOT	(struct cfq_rb_root) { .rb = RB_ROOT, .left = NULL, \
+			.count = 0, .min_vdisktime = 0, }
 
 /*
  * Per process-grouping structure