slab: constify slab debug strings

Since the string passed to slab_debug is never modified, use pointers to
const char in all places where it is processed.

No functional changes intended.

Signed-off-by: Petr Tesarik <ptesarik@suse.com>
Reviewed-by: Christoph Lameter <cl@gentwo.org>
Link: https://patch.msgid.link/819095b921f6ae03bb54fd69ee4020e2a3aef675.1761324765.git.ptesarik@suse.com
Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
This commit is contained in:
Petr Tesarik 2025-10-24 19:06:52 +02:00 • committed by Vlastimil Babka
commit d3722ff57e