From: Anshuman Khandual <anshuman.khandual@arm.com>
To: David Hildenbrand <david@redhat.com>, linux-mm@kvack.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
Michal Hocko <mhocko@suse.com>,
Dan Williams <dan.j.williams@intel.com>,
Pavel Tatashin <pasha.tatashin@soleen.com>,
linux-kernel@vger.kernel.org
Subject: Re: [RFC] mm/page_alloc: Enumerate bad page reasons
Date: Mon, 30 Mar 2020 17:58:40 +0530 [thread overview]
Message-ID: <8601ad7b-30dc-14db-48e3-2ceb1f52400f@arm.com> (raw)
In-Reply-To: <d482aa0a-db1a-a4df-e2c5-1598e0fb28ad@redhat.com>
On 03/30/2020 02:15 PM, David Hildenbrand wrote:
> On 30.03.20 08:51, Anshuman Khandual wrote:
>> Enumerate all existing bad page reasons which can be used in bad_page() for
>> reporting via __dump_page(). Unfortunately __dump_page() cannot be changed.
>> __dump_page() is called from dump_page() that accepts a raw string and is
>> also an exported symbol that is currently being used from various generic
>> memory functions and other drivers. This reduces code duplication while
>> reporting bad pages.
>
> Yeah sounds nice, but "56 insertions(+), 20 deletions(-)" does not sound
> so nice ... and the "code duplication" is actually "repeating strings".
But repeating strings in very similar functions dealing with bad page state
is not bit suboptimal ?
>
> ... I don't think we want/need this.
>
next prev parent reply other threads:[~2020-03-30 12:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-30 6:51 Anshuman Khandual
2020-03-30 8:43 ` Michal Hocko
2020-03-30 12:25 ` Anshuman Khandual
2020-03-30 12:34 ` Michal Hocko
2020-03-30 8:45 ` David Hildenbrand
2020-03-30 12:28 ` Anshuman Khandual [this message]
2020-03-30 12:38 ` David Hildenbrand
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