Re: [RFC 03/26] mm, slub: don't disable irq for debug_check_no_locks_freed()

From: Mel Gorman
Date: Tue May 25 2021 - 06:24:37 EST


On Tue, May 25, 2021 at 01:39:23AM +0200, Vlastimil Babka wrote:
> In slab_free_hook() we disable irqs around the debug_check_no_locks_freed()
> call, which is unnecessary, as irqs are already being disabled inside the call.
> This seems to be leftover from the past where there were more calls inside the
> irq disabled sections. Remove the irq disable/enable operations.
>
> Signed-off-by: Vlastimil Babka <vbabka@xxxxxxx>

Looks like it was needed for kmemcheck which went away back in 4.15 so

Acked-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>

--
Mel Gorman
SUSE Labs