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Date:   Mon, 16 Jan 2017 10:55:22 +0100
From:   Borislav Petkov <>
To:     Leon Romanovsky <>
Cc:     Michal Hocko <>, Vlastimil Babka <>,
        Linux MM <>,
        LKML <>
Subject: Re: [PATCH] mm/slub: Add a dump_stack() to the unexpected GFP check

On Mon, Jan 16, 2017 at 11:48:51AM +0200, Leon Romanovsky wrote:
> Almost, except one point - pr_warn and dump_stack have different log

Actually, Michal pointed out on IRC a more relevant difference:

WARN() taints the kernel and we don't want that for GFP flags misuse.
Also, from looking at __warn(), it checks panic_on_warn and we explode
if set.

So no, we probably don't want WARN() here.


Good mailing practices for 400: avoid top-posting and trim the reply.

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