diff options
| author | Joe Perches <joe@perches.com> | 2020-02-17 16:59:54 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-19 11:08:52 +0100 |
| commit | 10892847de816edf4f8f2151174dc557c4a3f63f (patch) | |
| tree | 4799c1549ec4906b903c1bc9921d40a1dc54c586 /include/linux/usb_usual.h | |
| parent | 28926994e5d7f049807119c48bd7b94c2d15fc95 (diff) | |
usb-storage: Use const to reduce object data size
Make structs const to reduce data size ~20KB.
Change function arguments and prototypes as necessary to compile.
$ size (x86-64 defconfig pre)
text data bss dec hex filename
12281 10948 480 23709 5c9d ./drivers/usb/storage/usb.o
111 10528 8 10647 2997 ./drivers/usb/storage/usual-tables.o
$ size (x86-64 defconfig post)
text data bss dec hex filename
22809 420 480 23709 5c9d drivers/usb/storage/usb.o
10551 0 0 10551 2937 drivers/usb/storage/usual-tables.o
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/cf13bd2d790ae3afbf5da55ea7bed12e00c5119d.camel@perches.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/usb_usual.h')
| -rw-r--r-- | include/linux/usb_usual.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h index 000a5954b2e8..4a19ac3f24d0 100644 --- a/include/linux/usb_usual.h +++ b/include/linux/usb_usual.h @@ -92,6 +92,6 @@ enum { US_DO_ALL_FLAGS }; #include <linux/usb/storage.h> extern int usb_usual_ignore_device(struct usb_interface *intf); -extern struct usb_device_id usb_storage_usb_ids[]; +extern const struct usb_device_id usb_storage_usb_ids[]; #endif /* __LINUX_USB_USUAL_H */ |