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

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 <richard@rsk.demon.co.uk>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Richard Kennedy 2010-03-01 10:50:20 +01:00 committed by Jens Axboe
parent 91f63d0efa
commit 73e9ffdd0c
1 changed files with 3 additions and 2 deletions
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5
block/cfq-iosched.c
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@ -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