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Re: [PATCH mmotm] mm, sl[au]b: print gfp_flags as strings in slab_out_of_memory()

From David Rientjes <rientjes@google.com>
Newsgroups linux.kernel
Subject Re: [PATCH mmotm] mm, sl[au]b: print gfp_flags as strings in slab_out_of_memory()
Date 2016-03-01 23:50 +0100
Message-ID <r81h8-75L-3@gated-at.bofh.it> (permalink)
References <r7XQf-4Tj-43@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Tue, 1 Mar 2016, Vlastimil Babka wrote:

> We can now print gfp_flags more human-readable. Make use of this in
> slab_out_of_memory() for SLUB and SLAB. Also convert the SLAB variant it to
> pr_warn() along the way.
> 
> Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
> Cc: Christoph Lameter <cl@linux.com>
> Cc: Pekka Enberg <penberg@kernel.org>
> Cc: David Rientjes <rientjes@google.com>
> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>

Acked-by: David Rientjes <rientjes@google.com>

Although I've always been curious about the usefulness of these out of 
memory calls in the first place.  They are obviously for debugging, but 
have they actually helped to diagnose anything?

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Thread

[PATCH mmotm] mm, sl[au]b: print gfp_flags as strings in slab_out_of_memory() Vlastimil Babka <vbabka@suse.cz> - 2016-03-01 20:10 +0100
  Re: [PATCH mmotm] mm, sl[au]b: print gfp_flags as strings in  slab_out_of_memory() David Rientjes <rientjes@google.com> - 2016-03-01 23:50 +0100
    Re: [PATCH mmotm] mm, sl[au]b: print gfp_flags as strings in  slab_out_of_memory() Vlastimil Babka <vbabka@suse.cz> - 2016-03-02 15:20 +0100

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