From: David Hildenbrand <david@redhat.com>
To: Michal Hocko <mhocko@suse.com>, Haifeng Xu <haifeng.xu@shopee.com>
Cc: rppt@kernel.org, akpm@linux-foundation.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm/mm_init.c: add debug messsge for dma zone
Date: Wed, 7 Jun 2023 12:22:42 +0200 [thread overview]
Message-ID: <ccc68b26-0896-2f2d-ba54-038f34e9eaa2@redhat.com> (raw)
In-Reply-To: <ZIBY5niJ/7vvwdHC@dhcp22.suse.cz>
On 07.06.23 12:16, Michal Hocko wrote:
> On Wed 07-06-23 09:07:34, Haifeng Xu wrote:
>> If freesize is less than dma_reserve, print warning message to report
>> this case.
>
> Why?
I'd like to second that question, and add
a) Did you run into that scenario?
b) What can an admin do in that case with that error messages?
If it reveals a buggy situation, maybe a WARN_ON_ONCE() is warranted ...
but maybe only if anybody actually ran into that issue.
--
Cheers,
David / dhildenb
next prev parent reply other threads:[~2023-06-07 10:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-07 9:07 Haifeng Xu
2023-06-07 10:16 ` Michal Hocko
2023-06-07 10:22 ` David Hildenbrand [this message]
2023-06-08 3:43 ` Haifeng Xu
2023-06-08 7:38 ` Haifeng Xu
2023-06-08 9:18 ` Michal Hocko
2023-06-08 10:13 ` Mike Rapoport
2023-06-08 10:51 ` Haifeng Xu
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