Re: [PATCH v2 4/4] slub: Force on no_hash_pointers when slub_debug is enabled

From: Petr Mladek
Date: Wed May 26 2021 - 09:47:28 EST


On Wed 2021-05-26 12:48:47, Vlastimil Babka wrote:
> On 5/26/21 4:56 AM, Stephen Boyd wrote:
> > Obscuring the pointers that slub shows when debugging makes for some
> > confusing slub debug messages:
> >
> > Padding overwritten. 0x0000000079f0674a-0x000000000d4dce17
> >
> > I opted for extern because I guess we don't want to advertise
> > no_hash_pointers_enable() in some sort of header file? It can be put in
> > a header file
>
> Hm looks like the bots disagree. I suppose a declaration right above definition
> in lib/vsprintf.c would silence them, but I'll leave it to printk maintainers if
> they would prefer that way or traditionally
> include/linux/kernel.h

I slightly prefer to put it into kernel.h. I expect that some more
debugging facilities would want to enable this in the future.
But I would accept even the "ugly" declaration in vsprintf.c.

Best Regards,
Petr