From: Minchan Kim <minchan@kernel.org>
To: Michal Hocko <mhocko@suse.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
John Dias <joaodias@google.com>,
David Hildenbrand <david@redhat.com>,
Jason Baron <jbaron@akamai.com>
Subject: Re: [PATCH v2] mm: page_alloc: dump migrate-failed pages
Date: Wed, 10 Mar 2021 07:59:34 -0800 [thread overview]
Message-ID: <YEjs5vxO/FRLUHhl@google.com> (raw)
In-Reply-To: <YEjD91BprqJMZUah@dhcp22.suse.cz>
On Wed, Mar 10, 2021 at 02:04:55PM +0100, Michal Hocko wrote:
< snip >
> > > Also are all those CONFIG_DYNAMIC_DEBUG* ifdefs necessary? Can we
> > > simply enable DYNAMIC_DEBUG for page_alloc as I've suggested above?
> >
> > They are different usecases.
> >
> > With DYNAMIC_DEBUG_MODULE with CONFIG_DYNAMIC_DEBUG_CORE,
> > it works for only specific compile flags as you suggested.
> > (CONFIG_DYNAMIC_DEBUG_CORE is requirement to work DYNAMIC_DEBUG_MODULE.
> >
> > With CONFIG_DYNAMIC_DEBUG, user could enable/disable every dynamic
> > debug places without needing DYNAMIC_DEBUG_MODULE flags for source
> > files.
> >
> > Both usecase makes sense to me.
>
> Well, this is more of a question for dynamic debugging maintainers. But
> it would be really great to reduce the ifdefery as much as possible.
I don't understand why this is something particular case which is okay
to lose either way to make dyndbg dynamic.
next prev parent reply other threads:[~2021-03-10 16:00 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-08 20:20 [PATCH v2] mm: page_alloc: dump migrate-failed pages Minchan Kim
2021-03-08 21:29 ` kernel test robot
2021-03-08 22:29 ` Minchan Kim
2021-03-09 0:41 ` [kbuild-all] " Rong Chen
2021-03-09 2:23 ` Minchan Kim
2021-03-09 0:21 ` Andrew Morton
2021-03-09 2:21 ` Minchan Kim
2021-03-09 0:30 ` kernel test robot
2021-03-09 0:30 ` [RFC PATCH] mm: page_alloc: alloc_contig_ratelimit() can be static kernel test robot
2021-03-09 9:32 ` [PATCH v2] mm: page_alloc: dump migrate-failed pages Michal Hocko
2021-03-09 16:15 ` Minchan Kim
2021-03-09 16:32 ` Michal Hocko
2021-03-09 17:27 ` Minchan Kim
2021-03-10 13:04 ` Michal Hocko
2021-03-10 15:59 ` Minchan Kim [this message]
2021-03-10 7:42 ` Minchan Kim
2021-03-10 8:20 ` David Hildenbrand
2021-03-10 15:45 ` Minchan Kim
2021-03-10 13:07 ` Michal Hocko
2021-03-10 16:05 ` Minchan Kim
2021-03-10 16:46 ` Michal Hocko
2021-03-10 17:06 ` Minchan Kim
2021-03-10 18:07 ` Minchan Kim
2021-03-10 13:26 ` Matthew Wilcox
2021-03-10 13:54 ` Michal Hocko
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