refscale: Constify struct ref_scale_ops

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'struct ref_scale_ops' are not modified in these drivers.

Constifying this structure moves some data to a read-only section, so
increase overall security.

On a x86_64, with allmodconfig:
Before:
======
   text	   data	    bss	    dec	    hex	filename
  34231	   4167	    736	  39134	   98de	kernel/rcu/refscale.o

After:
=====
   text	   data	    bss	    dec	    hex	filename
  35175	   3239	    736	  39150	   98ee	kernel/rcu/refscale.o

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Tested-by: "Paul E. McKenney" <paulmck@kernel.org>
Signed-off-by: Neeraj Upadhyay <neeraj.upadhyay@kernel.org>

...

This commit is contained in:

Christophe JAILLET 2024-08-06 15:30:16 +02:00 • committed by Neeraj Upadhyay

parent f1fd0e0bb1

commit 8f35fefad0

1 changed files with 21 additions and 21 deletions

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kernel/rcu/refscale.c

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