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b=nWf3ruTV4tptHvrjYGVCqoqVlUqPmLz5kimBfDtwgWYhYmgRqWXqsHnZtjPC6YC89 QdeUxof0G17IUytB7tHCfsiOqY5hkaDavptZJoHkI6UeUdrAvvp25s215Qb8gox/Yk 1xYqiIylIjyqA2xKDzV/ISpcOAe9E8+BAG8F/1vNhGKnAVKdjogsNNLi/f69LMqtZa io8MYydrWuFUBtWIyuPIZAgDaZyBx8SSon8tU/WpnYkKRFqf+GcHgNgvrW0m9Kl7jh 9JukdM8/eUpvG2YyiAlUqYmv6Abbj/jXtvb+4bJ+0F8ytFqCwkTns/3hV0qvrd/ITY 3V/JP+k9wEEaA== From: SeongJae Park To: Barry Song <21cnbao@gmail.com> Cc: corbet@lwn.net, linux-mm@kvack.org, akpm@linux-foundation.org, damon@lists.linux.dev, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Barry Song , SeongJae Park , Minchan Kim , Michal Hocko , Johannes Weiner Subject: Re: [PATCH v2] Docs/mm/damon/design: remove the details for pageout as paddr doesn't use MADV_PAGEOUT Date: Sat, 24 Feb 2024 15:06:26 -0800 Message-Id: <20240224230626.49710-1-sj@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240224224751.4673-1-21cnbao@gmail.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 8535212000B X-Rspam-User: X-Stat-Signature: szb1trq7rauyqdug8pfcnm4mh9dimg7r X-Rspamd-Server: rspam03 X-HE-Tag: 1708815992-148945 X-HE-Meta: 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 TYoPMBBO 9pnX2 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Barry, On Sun, 25 Feb 2024 11:47:51 +1300 Barry Song <21cnbao@gmail.com> wrote: > From: Barry Song > > The doc needs fix. As only in the case of virtual address, we > are calling madvise() with MADV_PAGEOUT. But in the case of > physical address, we are calling reclaim_pages() directly. > MADV_PAGEOUT on virtual address is much more aggresive to > reclaim memory compared to reclaim_pages() on paddr region. > This patch removes the details so that the description can > apply to both cases. And we don't need to couple with the > implementation details. > > Cc: SeongJae Park > Cc: Minchan Kim > Cc: Michal Hocko > Cc: Johannes Weiner > Signed-off-by: Barry Song > --- > -v2: decouple with the details according to SeongJae > -v1: https://lore.kernel.org/linux-mm/20240224215023.5271-1-21cnbao@gmail.com/ Thank you so much for your work! Reviewed-by: SeongJae Park Thanks, SJ [...]