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Commit 73e9ffdd authored by Richard Kennedy's avatar Richard Kennedy Committed by Jens Axboe
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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: default avatarRichard Kennedy <richard@rsk.demon.co.uk>
Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent 91f63d0e

block/cfq-iosched.c

+3 −2
Original line number Diff line number Diff line
@@ -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