From 8db378a570330fa0aaa9d75299fe264e4a5b6348 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Mon, 12 Dec 2016 16:43:29 -0800 Subject: [PATCH] include/linux/backing-dev-defs.h: shrink struct backing_dev_info Move the 4-byte `capabilities' field next to other 4-byte things. Shrinks sizeof(backing_dev_info) by 8 bytes on x86_64. Reviewed-by: Jens Axboe Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/backing-dev-defs.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h index b8144b2..0b5b1af 100644 --- a/include/linux/backing-dev-defs.h +++ b/include/linux/backing-dev-defs.h @@ -137,12 +137,12 @@ struct backing_dev_info { struct list_head bdi_list; unsigned long ra_pages; /* max readahead in PAGE_SIZE units */ unsigned long io_pages; /* max allowed IO size */ - unsigned int capabilities; /* Device capabilities */ congested_fn *congested_fn; /* Function pointer if device is md/dm */ void *congested_data; /* Pointer to aux data for congested func */ char *name; + unsigned int capabilities; /* Device capabilities */ unsigned int min_ratio; unsigned int max_ratio, max_prop_frac; -- 2.7.4