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From: Johannes Weiner <hannes@cmpxchg.org>
To: Minchan Kim <minchan@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-mm <linux-mm@kvack.org>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-api@vger.kernel.org, Michal Hocko <mhocko@suse.com>,
	Tim Murray <timmurray@google.com>,
	Joel Fernandes <joel@joelfernandes.org>,
	Suren Baghdasaryan <surenb@google.com>,
	Daniel Colascione <dancol@google.com>,
	Shakeel Butt <shakeelb@google.com>,
	Sonny Rao <sonnyrao@google.com>,
	oleksandr@redhat.com, hdanton@sina.com, lizeb@google.com,
	Dave Hansen <dave.hansen@intel.com>,
	"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>
Subject: Re: [PATCH v4 3/4] mm: account nr_isolated_xxx in [isolate|putback]_lru_page
Date: Thu, 11 Jul 2019 14:07:27 -0400	[thread overview]
Message-ID: <20190711180727.GC20341@cmpxchg.org> (raw)
In-Reply-To: <20190711012528.176050-4-minchan@kernel.org>

On Thu, Jul 11, 2019 at 10:25:27AM +0900, Minchan Kim wrote:
> The isolate counting is pecpu counter so it would be not huge gain
> to work them by batch. Rather than complicating to make them batch,
> let's make it more stright-foward via adding the counting logic
> into [isolate|putback]_lru_page API.
> 
> * v1
>  * fix accounting bug - Hillf
> 
> Link: http://lkml.kernel.org/r/20190531165927.GA20067@cmpxchg.org
> Acked-by: Michal Hocko <mhocko@suse.com>
> Suggested-by: Johannes Weiner <hannes@cmpxchg.org>
> Signed-off-by: Minchan Kim <minchan@kernel.org>

This is tricky to review, but fwiw it looks correct to me.

Acked-by: Johannes Weiner <hannes@cmpxchg.org>

  reply	other threads:[~2019-07-11 18:07 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-11  1:25 [PATCH v4 0/4] Introduce MADV_COLD and MADV_PAGEOUT Minchan Kim
2019-07-11  1:25 ` [PATCH v4 1/4] mm: introduce MADV_COLD Minchan Kim
2019-07-11 15:25   ` Johannes Weiner
2019-07-11  1:25 ` [PATCH v4 2/4] mm: change PAGEREF_RECLAIM_CLEAN with PAGE_REFRECLAIM Minchan Kim
2019-07-11  1:25 ` [PATCH v4 3/4] mm: account nr_isolated_xxx in [isolate|putback]_lru_page Minchan Kim
2019-07-11 18:07   ` Johannes Weiner [this message]
2019-07-11  1:25 ` [PATCH v4 4/4] mm: introduce MADV_PAGEOUT Minchan Kim
2019-07-11 18:42   ` Johannes Weiner
2019-07-12  5:18     ` Minchan Kim
2019-07-12  7:19       ` Michal Hocko
2019-07-12 13:58       ` Johannes Weiner
2019-07-12 15:01         ` Michal Hocko
2019-07-14 23:11         ` Minchan Kim

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