From: Vlastimil Babka <vbabka@suse.cz>
To: js1304@gmail.com, Andrew Morton <akpm@linux-foundation.org>
Cc: mgorman@techsingularity.net, Minchan Kim <minchan@kernel.org>,
Alexander Potapenko <glider@google.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Joonsoo Kim <iamjoonsoo.kim@lge.com>
Subject: Re: [PATCH 4/6] mm/page_owner: introduce split_page_owner and replace manual handling
Date: Tue, 10 May 2016 17:14:02 +0200 [thread overview]
Message-ID: <5731FABA.8070308@suse.cz> (raw)
In-Reply-To: <1462252984-8524-5-git-send-email-iamjoonsoo.kim@lge.com>
On 05/03/2016 07:23 AM, js1304@gmail.com wrote:
> From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
>
> split_page() calls set_page_owner() to set up page_owner to each pages.
> But, it has a drawback that head page and the others have different
> stacktrace because callsite of set_page_owner() is slightly differnt.
> To avoid this problem, this patch copies head page's page_owner to
> the others. It needs to introduce new function, split_page_owner() but
> it also remove the other function, get_page_owner_gfp() so looks good
> to do.
OK.
Acked-by: Vlastimil Babka <vbabka@suse.cz>
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WARNING: multiple messages have this Message-ID (diff)
From: Vlastimil Babka <vbabka@suse.cz>
To: js1304@gmail.com, Andrew Morton <akpm@linux-foundation.org>
Cc: mgorman@techsingularity.net, Minchan Kim <minchan@kernel.org>,
Alexander Potapenko <glider@google.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Joonsoo Kim <iamjoonsoo.kim@lge.com>
Subject: Re: [PATCH 4/6] mm/page_owner: introduce split_page_owner and replace manual handling
Date: Tue, 10 May 2016 17:14:02 +0200 [thread overview]
Message-ID: <5731FABA.8070308@suse.cz> (raw)
In-Reply-To: <1462252984-8524-5-git-send-email-iamjoonsoo.kim@lge.com>
On 05/03/2016 07:23 AM, js1304@gmail.com wrote:
> From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
>
> split_page() calls set_page_owner() to set up page_owner to each pages.
> But, it has a drawback that head page and the others have different
> stacktrace because callsite of set_page_owner() is slightly differnt.
> To avoid this problem, this patch copies head page's page_owner to
> the others. It needs to introduce new function, split_page_owner() but
> it also remove the other function, get_page_owner_gfp() so looks good
> to do.
OK.
Acked-by: Vlastimil Babka <vbabka@suse.cz>
next prev parent reply other threads:[~2016-05-10 15:14 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-03 5:22 [PATCH 0/6] mm/page_owner: use tackdepot to store stacktrace js1304
2016-05-03 5:22 ` js1304
2016-05-03 5:22 ` [PATCH 1/6] mm/compaction: split freepages without holding the zone lock js1304
2016-05-03 5:22 ` js1304
2016-05-10 14:56 ` Vlastimil Babka
2016-05-10 14:56 ` Vlastimil Babka
2016-05-12 2:51 ` Joonsoo Kim
2016-05-12 2:51 ` Joonsoo Kim
2016-05-03 5:23 ` [PATCH 2/6] mm/page_owner: initialize page owner " js1304
2016-05-03 5:23 ` js1304
2016-05-10 15:00 ` Vlastimil Babka
2016-05-10 15:00 ` Vlastimil Babka
2016-05-03 5:23 ` [PATCH 3/6] mm/page_owner: copy last_migrate_reason in copy_page_owner() js1304
2016-05-03 5:23 ` js1304
2016-05-10 15:13 ` Vlastimil Babka
2016-05-10 15:13 ` Vlastimil Babka
2016-05-12 2:58 ` Joonsoo Kim
2016-05-12 2:58 ` Joonsoo Kim
2016-05-12 6:48 ` Vlastimil Babka
2016-05-12 6:48 ` Vlastimil Babka
2016-05-03 5:23 ` [PATCH 4/6] mm/page_owner: introduce split_page_owner and replace manual handling js1304
2016-05-03 5:23 ` js1304
2016-05-10 15:14 ` Vlastimil Babka [this message]
2016-05-10 15:14 ` Vlastimil Babka
2016-05-03 5:23 ` [PATCH 5/6] tools/vm/page_owner: increase temporary buffer size js1304
2016-05-03 5:23 ` js1304
2016-05-03 5:23 ` [PATCH 6/6] mm/page_owner: use stackdepot to store stacktrace js1304
2016-05-03 5:23 ` js1304
2016-05-03 8:53 ` Michal Hocko
2016-05-03 8:53 ` Michal Hocko
2016-05-04 2:14 ` Joonsoo Kim
2016-05-04 2:14 ` Joonsoo Kim
2016-05-04 2:35 ` Joonsoo Kim
2016-05-04 2:35 ` Joonsoo Kim
2016-05-04 9:23 ` Michal Hocko
2016-05-04 9:23 ` Michal Hocko
2016-05-04 15:31 ` Joonsoo Kim
2016-05-04 15:31 ` Joonsoo Kim
2016-05-04 9:21 ` Michal Hocko
2016-05-04 9:21 ` Michal Hocko
2016-05-04 15:30 ` Joonsoo Kim
2016-05-04 15:30 ` Joonsoo Kim
2016-05-04 15:45 ` Joonsoo Kim
2016-05-04 15:45 ` Joonsoo Kim
2016-05-04 19:41 ` Michal Hocko
2016-05-04 19:41 ` Michal Hocko
2016-05-04 19:40 ` Michal Hocko
2016-05-04 19:40 ` Michal Hocko
2016-05-10 7:07 ` Joonsoo Kim
2016-05-10 7:07 ` Joonsoo Kim
2016-05-10 8:57 ` Michal Hocko
2016-05-10 8:57 ` Michal Hocko
2016-05-12 11:57 ` Vlastimil Babka
2016-05-12 11:57 ` Vlastimil Babka
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