Re: [PATCH] btrfs: make array types static const, reduces object code size

From: David Sterba
Date: Tue Sep 19 2017 - 11:12:18 EST


On Tue, Sep 19, 2017 at 04:01:23PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> Don't populate the read-only array types on the stack, instead make
> it static const. Makes the object code smaller by nearly 60 bytes:
>
> Before:
> text data bss dec hex filename
> 90536 6552 64 97152 17b80 fs/btrfs/ioctl.o
>
> After:
> text data bss dec hex filename
> 90414 6616 64 97094 17b46 fs/btrfs/ioctl.o
>
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Reviewed-by: David Sterba <dsterba@xxxxxxxx>