Re: [External] [PATCH v2 1/4] slub: Restore slub_debug=- behavior

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Quoting Vlastimil Babka (2021-05-26 03:39:54)
> On 5/26/21 6:04 AM, Muchun Song wrote:
> > On Wed, May 26, 2021 at 10:56 AM Stephen Boyd <swboyd@xxxxxxxxxxxx> wrote:
> >>
> >> Passing slub_debug=- on the kernel commandline is supposed to disable
> >> slub debugging. This is especially useful with CONFIG_SLUB_DEBUG_ON
> >> where the default is to have slub debugging enabled in the build. Due to
> >> some code reorganization this behavior was dropped, but the code to make
> >> it work mostly stuck around. Restore the previous behavior by disabling
> >> the static key when we parse the commandline and see that we're trying
> >> to disable slub debugging.
> >>
> >> Cc: Vlastimil Babka <vbabka@xxxxxxx>
> >> Fixes: e17f1dfba37b ("mm, slub: extend slub_debug syntax for multiple blocks")
>
> Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
>
> >
> > Is it caused by the commit ca0cab65ea2b ("mm, slub: introduce static
> > key for slub_debug()")?
>
> Yep, looks like a better Fixes: candidate.
>

Fixed it. Thanks.




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