Re: [PATCH][next] scsi: scsi_debug: make read-only arrays static const

[Christophe JAILLET]

Le 29/07/2025 à 08:49, Colin Ian King a écrit :
> Don't populate the read-only arrays on the stack at run time, instead
> make them static const. Also reduces overall size.
>
> before:
>     text	   data	    bss	    dec	    hex	filename
>   367439	  89582	   5952	 462973	  7107d	drivers/scsi/scsi_debug.o
>
> after:
>     text	   data	    bss	    dec	    hex	filename
>   365847	  90702	   5952	 462501	  70ea5	drivers/scsi/scsi_debug.o

Hi,

out of curiosity, any idea why 'data' increase?

All my constification patches lead to data reduction.

> (gcc 14.2.0, x86-64)

(same kind of behavior with 15.1.1)


CJ