linux-kernel - Re: [PATCH] mm/slub: Add a dump_stack() to the unexpected GFP check

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Message-ID: <20170116101852.GF32481@mtr-leonro.local>
Date:   Mon, 16 Jan 2017 12:18:52 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Michal Hocko <mhocko@...nel.org>, Vlastimil Babka <vbabka@...e.cz>,
        Linux MM <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mm/slub: Add a dump_stack() to the unexpected GFP check

On Mon, Jan 16, 2017 at 11:13:10AM +0100, Borislav Petkov wrote:
> On Mon, Jan 16, 2017 at 12:09:30PM +0200, Leon Romanovsky wrote:
> > And doesn't dump_stack do the same? It pollutes the log too.
>
> It is not about polluting the log - it is about tainting.
>
> __warn()->add_taint(taint, LOCKDEP_STILL_OK);

Thanks,
I had something different in mind for word "taint".
Sorry for that.

>
> --
> Regards/Gruss,
>     Boris.
>
> Good mailing practices for 400: avoid top-posting and trim the reply.

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